A blood test for a cold shows what it shows. What blood tests can be taken if you are sick? General urine analysis
In the structure of morbidity most occupy acute respiratory lesions of the respiratory tract and nasopharynx.
In cold weather, the number of colds increases, and in summer it decreases.
The popular name “cold” implies a large group of diseases that differ in etiology and area of affection, but their symptoms are similar: fever, runny nose, sore throat or sore throat, cough.
If your health deteriorates significantly and recovery does not occur within the expected time frame, there is a need for additional diagnostics. , and in what cases it is not recommended to do this
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Tests are considered the main standard of examination in medicine.
For colds, several types of tests are used:
- general clinical blood test (CBC), including counting the number of red and white blood cells, platelets, hemoglobin, erythrocyte sedimentation rate;
- detailed analysis with leukocyte formula;
- biochemistry;
- immunogram;
- virological studies using PCR, ELISA;
- bacteriological tests: culture, etc.
The examination allows the doctor to identify the presence of an inflammatory reaction in the body, differentiate a viral process from a bacterial one, and see signs of complications. Using a blood test, you can detect the pathogen, which will allow you to establish the correct diagnosis, assess the degree of the body’s immune response, select treatment and monitor the dynamics of the disease.
Sometimes, under the guise of a cold, serious diseases of an allergic nature, autoimmune and oncological processes begin. A blood test can help identify such conditions. Significant increase in ESR and the level of leukocytes, a shift of the formula to the left indicates widespread inflammation. Revealing large number
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eosinophils indicates an allergic reaction.
A special category of people who donate blood regularly are donors.
In this case, the volume of material taken from one person is much larger than with conventional analysis, ranging from 80 to 450 milliliters.
Therefore, if a donor feels the first signs of a cold (headache, malaise, runny nose, sore throat), he is prohibited from donating blood. This is due to the fact that even in the prodromal (initial) period, the virus can be in the blood, and therefore get into the material intended for transfusion to another person.
In addition, the sick person is the source of the pathogen and transmits the disease to others: doctors or other donors, through airborne droplets when coughing or sneezing.
Fence large quantity blood in a person with an incipient acute respiratory viral infection can worsen his condition and prevent the immune system from fighting the infection.
You are allowed to donate again only a month after you have had a cold.
Most often, blood tests for hormones are paid for. How much does a hormone test cost - types of examinations and prices are presented in the article.
Review of Treatment Methods autoimmune thyroiditis see below.
In what cases and for what indications is it necessary to donate blood for hormones, we will tell you in this article.
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The volume of standard analysis sufficient to diagnose the disease is small and will not cause any harm to the body.
The attending physician will assess the patient’s condition and prescribe the necessary minimum examination.
Usually you can donate blood either immediately upon application or the next day.
If the test is not related to a cold and was planned in advance in connection with medical examination or other non-emergency medical interventions, then it is better to refrain from donating blood during ARVI. After all, inflammatory changes in the hemogram or changes in biochemical parameters are unlikely to have a positive effect on the course of another disease or will assist in choosing a course of treatment.
It should be remembered that the presence of antibodies in the blood does not always indicate a disease, therefore immunological tests It is advisable to carry out some time after the disappearance of clinical symptoms.
However, standard general tests sometimes have to be repeated during the course of the disease to assess the effectiveness of treatment. Many people are interested in how to properly donate blood for hormones and other indicators - on an empty stomach or not. It is better to take blood tests early morning
on an empty stomach. When performing a CBC, capillary blood is collected from the fingertip. A light breakfast is allowed an hour before the procedure, excluding fatty and sweet foods.
It is better to adhere to some restrictions the day before.
But you should give up alcohol. IN emergency situations It is allowed to donate blood throughout the day, since the benefit from interpreting the results obtained is much greater than the possible distortions introduced by non-compliance with the drinking regime or eating food.
Carrying out more complex tests (biochemistry, immunological and other studies) requires taking blood from a vein. Therefore, the training criteria are more stringent. The night before, no more than two hours before bedtime, have a light dinner, excluding fatty, fried, and pickled foods. It is advisable to limit the amount of heavy protein foods and sugars.
Taking alcoholic beverages, soda, and stimulants is excluded. You should also refrain from smoking, since nicotine, when it enters the blood, not only distorts the result, but also causes spasm of peripheral vessels, which makes sampling difficult.
If you can’t give up nicotine, you need to wait at least an hour and only then go and donate blood. The content of some substances in the body at different times of the day may fluctuate, so to get the correct result you need to come for analysis at strictly designated hours (for example, the level of hormones or iron is determined before ten in the morning).
Before donating blood for hormones, you should not take any medications the evening before the test or in the morning, however, if medications are vital and cannot be skipped, it is better to warn the laboratory assistant about this.
It is better to sit for five to ten minutes before entering the treatment room.
To obtain the most accurate result, you need to know how to properly take hormone tests. Read the patient information sheet.
Details about the consequences of deletion thyroid gland for women you can read in this material.
It will be necessary to postpone blood sampling if some medical procedures were performed before the study: x-rays, physical procedures.
However, in emergency cases, taking blood for analysis is allowed, and the doctor will evaluate the results taking into account possible errors.
A blood test is a medical procedure that helps determine the cause of a cold. It should not be avoided; it does not cause any harm to the body and is carried out as prescribed and under the supervision of the attending physician.
Source: gormonexpert.ru
Is it possible to take a biochemical blood test if you have a cold?
- Why donate blood if you have a cold? Identify the allergic nature of the disease and determine indicators immune defense
body.
Is it possible to do a blood test during a cold?
- Among other things, a blood test will show whether the viral disease has developed into a bacterial one. A similar phenomenon is observed quite often if the patient suffers from a disease on his legs or does not receive the necessary treatment. The information obtained will allow you to adjust the treatment and rehabilitation plan.
Is it possible to donate blood if you have a cold?
Everyone knows what a cold is. This name covers diseases that occur with the participation of viruses and bacteria, the development of which is largely facilitated by hypothermia. This could be any ARVI, rhinitis, pharyngitis or laryngitis. Nasal congestion, sore throat, coughing, fever and malaise are the main symptoms unpleasant condition. They are familiar to many and force them to seek medical help. And after the examination, the doctor will first issue a referral for laboratory tests. And any patient is interested in what they will show, and even more so for parents whose child is sick.
Or another situation: a person needs to donate blood - as a donor or for examination for another pathology - and he suddenly falls ill with a respiratory infection and does not know what to do. Therefore, the question of whether it is possible to get tested for a cold is very relevant and requires clarification.
Colds, like other diseases, are subject to diagnosis. And during the examination, the doctor needs the results of laboratory methods. They make it possible to determine the nature of the disease and plan treatment measures accordingly. For a runny nose, sore throat, cough and fever, the following are most often prescribed:
- General analysis blood.
- General urine analysis.
- Swab from the nose and throat (for cytology, culture).
- Serological tests (to detect antibodies).
This standard set studies recommended for ARVI. If necessary, the doctor prescribes blood biochemistry, ECG, and chest x-ray. As a rule, this is due to the likelihood of complications. It is worth taking a closer look at the most common tests (blood and urine) that are done in any laboratory and what results can be obtained.
In case of colds, taking a clinical blood test is not only possible, but also necessary. It is a necessary element of the diagnostic program. Diseases of an infectious-inflammatory nature are a direct indication for a hemogram. It allows you to narrow your search by establishing the origin of the disease (viral or bacterial). In addition, based on the results of a blood test, one can judge the severity of the pathology and its reverse development, performing the study over time. So, any ARVI is accompanied by quite characteristic signs in the hemogram:
- Normo- or leukopenia (leukocyte level within acceptable limits or below 4*109/l).
- Lymphocytosis (lymphocyte count exceeds 37%).
- Monocytosis (more than 11% of monocytes in the blood).
Thus, the viral process is indicated by specific changes in the leukocyte formula in an adult and a child. If, against the background of this, the addition of bacterial flora occurs, then the picture changes: leukocytes grow (over 9 * 109 / l), a shift in the formula to the left is observed (band neutrophils more than 6%). Other indicators for a cold in the blood - red blood cells, hemoglobin, platelets, ESR - in most cases remain within normal limits, unless we are talking about a complicated course of a respiratory infection.
In a blood test for colds, changes are observed that make it possible to establish the viral or bacterial nature of the inflammatory changes.
For respiratory diseases, a clinical urine test is also prescribed. It is included in the standard set of studies. But changes in urine are nonspecific and indicate mainly the severity of intoxication. In this case, the child may have casts (single), traces of protein, and a few leukocytes. But this does not indicate inflammation in the urinary tract, but only indicates a transient increase in the permeability of the renal “filter”.
We cannot ignore the question of whether a cold affects biochemical analysis blood. With isolated rhinitis, it is unlikely to notice any significant changes. And ARVI in a child usually does not produce noticeable changes in indicators. But a severe and complicated course of infection is accompanied by an increase in inflammatory markers (C-reactive protein, seromucoids); with influenza, deviations in the coagulogram are likely.
If a person, against the background of a respiratory disease, wants to undergo a routine biochemical analysis, for example, to determine hormones or a lipid profile, then he will have to take some points into account. In general, a respiratory infection is not capable of significantly distorting test results, but taking certain medications can. Therefore, before taking tests, you need to notify your doctor about the therapy being carried out. Additionally, it is worth fulfilling other preparation conditions: do not eat for 8–12 hours, avoid heavy physical activity, refrain from drinking alcohol (2 days in advance) and smoking the day before. All this can affect the biochemical composition of the blood.
Another question that requires consideration is whether it is possible to take an HIV test if you have a cold. This study consists of determining antibodies to the virus. Specific training, in addition to general recommendations, characteristic of all biochemical tests (regarding nutrition, physical activity and bad habits), is not necessary. Therefore, banal rhinitis and cough cannot be obstacles for laboratory test. But it should be remembered that an HIV test is indicative only 3-4 weeks after possible infection.
What kind of blood test can and should be taken for adults and children for a cold? This is a question for the doctor. Only a specialist can give a detailed answer and explain the essence of diagnostic procedures.
A prerequisite for taking blood from a donor is his health. Firstly, in a sick person, the quality of this biological fluid decreases; microbial toxins and antibodies may be present in it. Secondly, the procedure itself can worsen the donor’s condition. And thirdly, a patient with a respiratory infection can infect medical staff. Therefore, it is recommended to donate blood after a certain time interval after recovery:
- For rhinitis – 1 week.
- For influenza and ARVI – 2 weeks.
- For bronchitis – 3 weeks.
- For pneumonia – six months.
Considering the above, the answer to the question of whether it is possible to donate blood for colds is obvious. Donation for respiratory infections is contraindicated until a certain time has passed after recovery.
Many people want to know what tests can be taken for a cold. And to understand this issue, you need to visit a doctor. The specialist will tell you in detail what should be taken into account by an adult and a child with a respiratory infection in a given situation.
Is it possible to donate blood if you have a cold?
- form: light or heavy;
- according to the presence of complications or concomitant diseases.
All colds develop when they enter the body: viruses, fungi, bacteria or their associations, which are the causative agents of the inflammatory process in the nasopharynx and upper respiratory tract. With a common cold, after hypothermia, activation of one’s own pathogenic or opportunistic microflora against the background of a decrease in local and general immunity with the development of acute respiratory infections. Layering often occurs viral infection– and the patient suffers from ARVI. At the same time, the symptoms in patients with acute respiratory infections and acute respiratory viral infections are almost the same - headache, weakness, malaise, fever, runny nose, sneezing, nasal congestion and cough. But the type of pathogen - influenza, adenoviral infection or bacterial sore throat - directly determines the patient’s therapy - antiviral drugs or antibiotics, anti-inflammatory therapy or simply eliminating cold symptoms.
In case of severe viral illness, a virological study is performed to determine the causative agent of the infection. In the presence of concomitant diseases, a biochemical blood test is indicated to exclude the development of complications from other organs and systems that can aggravate the course of ARVI or acute respiratory infections. When immunity is weakened, it is carried out immunological study blood to determine the state of the patient’s immune system and prescribe correct and adequate treatment. Before taking blood tests, it is better not to take medications and drink strong alcoholic drinks, which are used by patients to treat colds in an unconventional way.
- on the health of the donor himself due to weakening of the body and possible accumulation of infections or their complicated course;
- on the health of doctors and other donors - viruses spread when coughing and sneezing and infect surrounding people;
- on the quality of donated blood.
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Why take a blood test if you have a cold?
A cold or ARVI, as doctors call it, can be different. And it’s not only about the form: mild or severe, but also about the nature of the pathogen that caused such a disease. Therefore, despite the obvious signs of a cold: cough, runny nose, red throat, etc., the doctor often sends the patient for a blood test to clarify the diagnosis.
Why do you need to donate blood for a seemingly obvious disease like a cold? Many patients are perplexed and consider such a measure to be the doctor’s personal speculation. In fact, this procedure has a very deep meaning.
If the attending physician offers to take a blood test when the patient himself assumes he has a common cold, you should not refuse. After all, such a study allows a specialist to determine the main thing - the nature of the disease. And the entire treatment plan depends on this. After all, saving your health is not the easiest task.
An incorrectly selected treatment plan does not lead to an improvement in the patient’s condition. On the contrary, it only delays time and blurs the picture. So it’s better to carry out clarifying tests right away.
Globally, there are two types of colds: viral and bacterial. In the first case, the causative agent is one or another virus, in the second - bacteria. At first glance, there is no difference in the result: a person has all the symptoms of a cold - headache, fever, runny nose, cough, etc. However, the type of pathogen is very important when prescribing treatment. For example, you can get a viral flu, or you can catch a bacterial sore throat.
This is due to the fact that viruses are treated with antiviral drugs, and bacteria are treated with antibacterial (or antibiotics). If you try to kill the virus with antibiotics, it will not bring any benefit, because viruses are insensitive to such drugs. The same thing happens when trying to cure a bacterial disease with an antiviral drug.
It is worth remembering that uncontrolled and inadequate use of antibiotics can lead to quite serious problems in the body and, in addition to a cold, you will have to treat something even worse. Blood during a cold is a fairly good marker. It will definitely show what exactly you were infected with. After all, each pathogen has its own norms. In addition, a blood test can determine at what stage you are in the process. A strong increase in white blood cells will tell the doctor about existing inflammation. Their decrease closer to the normal limits will indicate recovery.
In addition, you can always understand by blood whether it has passed viral disease into bacterial. And this happens quite often if a person first suffered the virus on his feet or did not receive adequate treatment. In this situation, a blood test will help create not only a treatment plan, but also a rehabilitation plan.
To make an accurate diagnosis, you only need to undergo a general analysis. However, if a person is worried about his health, he can take a full biochemistry test and at the same time check all other indicators.
You don't have to worry about the result. In this case, the analysis is done quickly - within 24 hours. If you take it in a private laboratory, then within a few hours. This means that it is better to wait a little, but start correct treatment rather than rush and harm yourself even more.
Before taking the test, it is better not to drink any medications or strong alcohol (it is often used to treat colds in unconventional ways).
Diagnosis of most diseases begins with a general blood test. In addition, this study is often prescribed as part of medical examination. Timely detection of certain abnormalities in the analysis makes it possible to catch the disease at the very beginning, which is extremely important for successful treatment.
One of the first and important indicators of a general blood test is hemoglobin. When dehydrated, it usually increases. But with anemia it decreases. Therefore, if you receive a result that goes beyond the reference values, it is necessary to consult at least with a therapist, and in case of a significant deviation from the norm, with a hematologist. The unit of measurement for hemoglobin is g/l, and the normal value depends on the age of the patient: - in children in the first month of life 135-199; - by 3 months 95-130;
- in children under 12 years of age and women 110-140, although in women a value of up to 150 is allowed;
— in men the norm is 120-160. An elevated red blood cell count usually also indicates dehydration, although occasionally it is a sign of heart/respiratory failure or polycystic kidney disease. A deviation from the norm to a lesser extent is a sign of anemia. The norms are estimated in million/μl and are: - 3.90-5.90 in newborns; - 3.30-5.10 at the age of three months; - 3.80-5.00 in children and women;
- 4.10-5.70 for men.
An increase in platelets is usually caused by significant blood loss, which may be caused by injury or surgery. Infections and inflammations, hemolytic anemia and some types oncological diseases may also change the platelet count in big side. But a decrease in their number is observed in bacterial infections, as well as hematological and autoimmune diseases. A physiological decrease in platelets occurs in pregnant women, but care must be taken to ensure that it is insignificant, otherwise the woman will be advised to consult a hematologist. The normal platelet value is 150-400 thousand/µl. This is one of the few indicators that is constant for all age categories. Leukocytosis (increased white blood cells) can be caused by inflammation or infection. Hemoblastosis, intoxication and some types of cancer also increase the number of leukocytes. IN postoperative period, as well as after injury, an increase in leukocytes is physiological, but doctors often prefer to preventive treatment antibiotics so as not to miss the addition of a bacterial infection. Autoimmune diseases, anemia, exhaustion and diseases of the circulatory system lower the number of leukocytes, although before looking for the cause of leukopenia, you should remember whether you have recently taken antibiotics. They (along with cytostatics) temporarily reduce the number of white blood cells. Normal values of leukocytes range from 4.50-11.00 thousand/µl, but in children a slight excess of this norm is allowed (not higher than 14.00 thousand/µl).
The erythrocyte sedimentation rate (ESR or ESR) increases with injury, inflammation and infection. Large blood loss, neoplasms, and autoimmune diseases also accelerate ESR. Therefore, if your reading exceeds 12 mm/h, you need to work with your doctor to find the cause and carry out treatment.
Analysis of the biochemical composition of blood is a diagnostic method often prescribed by doctors. various diseases. Based on its results, one can judge the presence of malfunctions in the kidneys, liver, heart and other internal organs of a person. When conducting a complete biochemical analysis, more than 20 blood elements are examined. From the general list, the doctor will select those indicators whose information is most important for diagnosing the patient’s condition. To get the most accurate biochemistry results, you need to properly prepare for donating blood.
- - referral from the attending physician for a blood test;
- — compulsory health insurance policy;
- — voucher to visit the laboratory;
- — disposable syringe with a volume of 10 ml;
- - shoe covers or replacement shoes.
After receiving a referral for a blood test from your attending physician, check the laboratory’s opening hours and the rules for visiting it. In most district clinics the procedure is performed free of charge. However, you need to sign up in advance and receive a special coupon with the date and time of the test. You may have to purchase your own disposable 10 ml blood collection syringe and shoe covers for your visit to the laboratory. In paid medical institutions, the price of instruments is included in the total cost of the service. Eliminate “harmful” foods from your diet the day before the test: fatty, fried, spicy. Avoid coffee, strong tea, and dark chocolate. It is strictly forbidden to drink alcoholic beverages, including beer, on the eve of blood sampling. The fact is that substances obtained from food can temporarily change blood counts. For example, alcohol increases uric acid levels, and coffee increases the number of white blood cells. The doctor will see distorted data and make an unfounded conclusion about the patient’s health. Do not eat breakfast on the day of donating blood. Drink only a glass of clean water. If you smoke, put out your last cigarette 2 hours before visiting the laboratory. Do not use any medications, because... they are very strong influence on biochemical indicators. In situations where it is impossible to refuse pills, reschedule their intake to a later time. Physiotherapeutic procedures (massage, warming) and X-ray studies You also need to take it after biochemistry. pay attention to correct position bodies when donating blood. If a person stands, creatinine, cholesterol, alkaline phosphatase etc. Therefore, it is better to sit or lie down on the couch. Before visiting the laboratory, also avoid physical activity, such as quickly climbing stairs. Blood for biochemical analysis is taken from the ulnar vein. In total you will need about 5 ml, sometimes a little more. Before inserting the needle, make a fist with your hand, but do not move your hand too vigorously. If the nurse does not feel the veins near the elbow are visible enough, she may draw blood from the hand or foot. The test result will not be affected by the location of the needle insertion. Get a breakdown of biochemistry. As a rule, it is ready the next day, but in emergency cases the analysis can be completed in a few hours. Only your attending physician can evaluate the results obtained correctly. Discuss any questions you have with him. Perhaps the doctor will prescribe a repeat biochemical test after some time, for example, after taking medication for a week. This is done in order to monitor changes in blood composition over time and adjust treatment.
Blood tests are the basis of laboratory diagnosis. Based on their results, doctors can objectively assess various indicators of a person’s health status, make the correct diagnosis and prescribe appropriate treatment.
This laboratory analysis allows you to find out, in particular, the level of hemoglobin in red blood, the number of red blood cells, white blood cells and platelets, as well as the leukocyte formula. In other words, by donating blood for a general analysis, the patient will enable the doctor to identify anemia or inflammatory processes in the body.
Various blood tests are very widely used in modern medicine, as they give a fairly clear idea of the functional state of almost all organs and systems of the patient.
During a general blood test, the study determines the value of several indicators at once - this happens with the help of automatic hematological analyzers. An increase in the level of white blood cells (leukocytes), for example, indicates the presence of inflammatory processes in the body, and an increase in the number of lymphocytes is observed in various viral infections.
Based on the results of a biochemical blood test, as a rule, doctors are able to objectively assess the functional state of internal organs and the activity of various systems. In particular, this study allows us to judge how the kidneys, liver, excretory system, and also whether there are inflammatory or rheumatic processes in the patient’s body. Biochemical analysis is also used to identify certain metabolic disorders (in particular, water-salt metabolism) or an imbalance of microelements.
Among the main indicators that are determined during a biochemical study, it is necessary to note the following levels:
— glucose (indicates the functioning of the liver, pancreas and adrenal glands, allows us to draw conclusions about carbohydrate metabolism, etc.),
- protein (low levels may indicate problems in the liver and kidneys, poor nutrition, and increased - for inflammatory processes or acute infectious diseases, as well as other pathological conditions, for example, burn disease), - beta globulins (deviations from the norm occur when fat metabolism is impaired), - bilirubin (an indicator of how well the liver functions) ,
- cholesterol (increases with the development of atherosclerosis, decreases due to disruptions in hormonal system and shortage bile acids) and a number of others.
Based on the results of a biochemical blood test, the quality of the liver and kidneys is determined. It also helps identify active inflammatory processes and various disorders metabolism.
A patient who is about to have blood tested must refrain from eating before visiting the laboratory. Ideally, even the day before, you should refrain from drinking alcohol, fatty and heavy foods. Dinner should be fairly light. It is important that on the eve of donating blood there is no heavy physical activity, as this can affect, for example, the level of leukocytes. For the same reasons, you should not take too much before the study. cold shower or a hot bath.
It should be noted that the results of the analysis may also be affected by stressful situations and taking medications. If the patient is in Lately took any medications, you should tell your doctor about it.
For a general analysis, blood is usually taken from the ring finger. To take a biochemical analysis, the laboratory will take blood from a vein.
In order to diagnose any disease, a blood test is necessary, which will fully reflect the condition of the body. This is a biochemical analysis, it is more complete than a general analysis, and allows you to make the most accurate and error-free diagnosis.
Biochemical analysis - study of a wide range of enzymes, organic and minerals. This analysis characterizes the metabolism in the human body: carbohydrate, mineral, fat and protein. Changes in metabolism indicate whether any pathology exists and in which organ.
This analysis is done if the doctor suspects a hidden disease. The result of the analysis reveals pathology in the body at the very initial stage of development, and the specialist can navigate the choice of medications.
Using this test, it is possible to detect leukemia on early stage when symptoms have not yet begun to appear. In this case, you can start taking the necessary medications and stop pathological process diseases.
Blood is taken from a vein for analysis, approximately five to ten milliliters. It is placed in a special test tube. The analysis is carried out on an empty stomach of the patient, for more complete veracity. If there is no health risk, it is recommended not to take medications before donating blood.
To interpret the analysis results, the most informative indicators are used:
- glucose and blood sugar levels - increased rate characterizes the development diabetes mellitus in humans, a sharp decrease in it poses a threat to life;
- cholesterol - its increased content indicates the presence of vascular atherosclerosis and the risk of cardiovascular diseases; - transaminases - enzymes that detect diseases such as myocardial infarction, liver damage (hepatitis), or the presence of any injury; - bilirubin - its high levels talk about liver damage, massive destruction of red blood cells and impaired bile outflow;
- urea and creatine - their excess indicates a weakening of the excretory function of the kidneys and liver;
- total protein - its indicators change when the body experiences serious disease or any negative process; - amylase is an enzyme of the pancreas, an increase in its level in the blood indicates inflammation of the gland - pancreatitis.
In addition to the above, a biochemical blood test determines the content of potassium, iron, phosphorus and chlorine in the body. Only the attending physician can interpret the results of the analysis and prescribe the appropriate treatment.
As a rule, colds are characterized by an increase in body temperature. This reaction of the body to a viral infection is considered absolutely normal. A cold without fever may be a sign good immunity, which indicates the timely protection of the body from various pathological influences. However, in some cases, the absence of fever with obvious signs of illness may mean a hidden threat.
The fact is that the absence of fever in a patient, in the presence of other signs of illness and poor health, can be misleading. This happens because establishing a correct diagnosis will be significantly difficult, which means necessary treatment The doctor will not be able to prescribe it. Thus, we can conclude that even in the absence of fever, but with other signs of illness, it is necessary to urgently consult a doctor. Indeed, under such circumstances, the patient endangers not only himself, but also the people around him. If it is not possible to visit a specialist in the near future, then it is worthwhile to promptly start treating a cold with such home remedies that are available. A cold with a low temperature of 37.2 or in its absence should be treated without the use of antipyretics. According to doctors, a temperature not exceeding 38 degrees does not require lowering, since the body thus fights infection. If you continue to feel normal and there are no serious deviations, you can resort to folk remedies and follow your doctor’s recommendations for treating a cold. But at a high temperature without obvious signs of a cold, you must immediately contact a specialist, since this fact may indicate the occurrence of an infectious disease. The disease goes away much faster if you drink teas with raspberries, lemon, honey, and also drink cranberry and lingonberry fruit drinks. Warm milk with honey and butter. Irrigation can cure a runny nose saline solutions, and for cough good effect have expectorant drugs (Mukaltin). It is advisable to protect a sick person from direct contact with other family members. It is imperative to follow preventive measures: ventilate the premises, eat more vegetables and fruits. During seasonal morbidity, it is recommended to strengthen the immune system and get vaccinated. Most often, the incubation period of the disease without fever lasts about 3 days. In this case, there is discomfort in the nose and sore throat, sneezing and runny nose. At the very beginning of a cold, clear nasal discharge is observed, which after a few days becomes mucopurulent in nature. Then a cough appears with a small amount of sputum. In case there are no bacterial complications, after a week, the signs of a cold without fever disappear. Colds in children and women during pregnancy have similar symptoms.
Testing to determine the presence and level of alcohol in the blood is a common medical procedure. Ethanol levels can be checked either using a portable breathalyzer or through a full laboratory analysis.
The reasons why there is a need to test your blood for alcohol (ethanol) content can be divided into two groups: 1. medical;2. legal. In the first case, establishing the alcohol concentration is necessary to determine whether alcohol intoxication is the cause of intoxication of the body. The legal grounds for checking the ethanol content in the blood are all kinds of offenses. The latter are most often associated with drunk driving and the consumption of alcoholic beverages by minors. Another reason for the need for analysis is to determine the state of a specialist (at the beginning of the working day) occupying a position that requires particularly clear consciousness and concentration. This, for example, is the profession of a driver. The procedure for checking the presence of ethanol in the blood is carried out using special device– breathalyzer (alcometer). The latter is a measuring device consisting of a mouthpiece, a sensor and a screen. The mouthpiece is a tube into which the subject must exhale air (it is through this that the presence of alcohol in the blood is determined). The sensor reacts to the presence of acetaldehyde in the body, which is produced during the absorption of alcohol. Accordingly, the screen reflects the obtained indicators. In interpreting the results, they start from the indicator 0.0-0.4 ppm. It is negative, that is, it indicates the sobriety of the subject. Levels above 0.4 ppm indicate the opposite.
For some reasons, the procedure for checking the presence of alcohol in the blood using a breathalyzer does not always give true readings. An alternative to it is medical analysis.
The official procedure for testing blood alcohol content is carried out in laboratory conditions. The most commonly used method for this is the one developed by the Swedish chemist Widmark. This experiment is carried out in a special isothermal flask (Widmark flask), into which 1 ml of a mixture of potassium dichromate with sulfuric acid and blood taken from the subject are placed. Afterwards, the flask is hermetically sealed and placed in a thermostat for several hours. If there is alcohol in the blood, it must oxidize. Evidence of this is the transformation of the color of the solution from yellowish to greenish-bluish.
Among other medical methods for detecting ethanol, the enzymatic method and gas chromatography are considered quite effective.
Source: www.medhelp-home.ru
Is it possible to take a blood test if you have a cold?
In cold weather, the number of colds increases, but in summer it decreases. A cold involves a wide group of diseases that differ in area affected and etiology, but the symptoms are very similar: fever, sore throat, sore throat, coughing, runny nose. If the patient's health worsens, it will be necessary additional diagnostics. In this case, donating blood for a cold is not only possible, but necessary. But in what cases is this not recommended?
Is it possible to donate blood and blood tests if you have a cold?
Analyzes are the main standard of examination in medicine. For colds, several types of tests can be used:
- general clinical analysis;
- detailed analysis with leukocyte formula;
- immunogram;
- hormone tests;
- biochemical analysis;
- virological studies using PCR;
- tests to identify bacteria: culture, etc.
The obtained examination results enable the attending physician to determine the presence of an acute inflammatory process in the body, distinguish the viral course of the disease from the bacterial one, and determine complications. That is why donating blood is not only possible for colds, but also mandatory.
Using the result, it is possible to identify the pathogen, which will make it possible to correctly diagnose and prescribe effective therapy. Colds may be hiding dangerous diseases allergic in nature. A blood test will help determine this condition. Excessive overshoot the level of leukocytes and ESR indicates a progressive acute inflammatory process. But the determination of a large number of eosinophils already indicates an allergic reaction of the body.
But does a cold affect biochemistry? Usually, with ARVI or isolated runny nose, there are no special changes in indicators. But the complicated course of the infection is accompanied by an increase in inflammatory markers, and with influenza, deviations in the coagulogram are possible.
If, against the background of a respiratory illness, the patient wants to undergo a biochemical analysis, for example, to determine hormones, then it is necessary to take into account some points. A respiratory disease itself cannot distort the results, but taking medications during illness can. Before taking the test, you should inform your doctor about the treatment being carried out. In addition, it is important to properly prepare for the study, since if the rules are not followed, the results will be distorted.
The volume of standard analysis for diagnosing the disease is small, so there is no danger to the body. The specialist will assess the patient’s condition and prescribe additional examinations if necessary. Usually blood is donated immediately upon visiting the clinic or the next day.
If taking the test is not related to a cold, but is necessary to undergo a medical examination or other activities, then in this case it is necessary to avoid manipulation.
The presence of antibodies in the blood does not always indicate an illness, so immunological tests should be performed after a certain period of time. But routine general tests will need to be repeated throughout the disease to assess the effectiveness of the therapy.
Is it possible to donate blood?
The donor's blood is intended for a person who has serious diseases and pathologies and is in serious condition.
That is why it must be extremely carefully double-checked, studied and safe. initial symptoms ARVI, for example, if your throat hurts, your temperature rises, or rhinitis appears, then donating blood is strictly prohibited. This is due to the fact that even during the initial period of the disease the virus may already be present in the blood. That is, it will easily get into the material designed for transfusion to the patient.
Also, a sick donor acts as a source of infection and easily infects the people around him: doctors, other donors. Infection occurs through airborne droplets when sneezing or coughing.
Drawing blood from a patient with an advanced cold will worsen his condition. The immune system is too weak and will not be able to cope with the infection. You can become a donor again only 30 days after complete recovery.
How to prepare to donate blood
Many people wonder how to correctly take tests for hormones and other indicators - on an empty stomach or not. It is recommended to carry out the analysis in the morning on an empty stomach. When taking a general blood test, capillary blood is taken from the pad of the ring finger. Some doctors allow a light tomorrow an hour before the test, but without eating fatty, fried or sweet foods.
A number of restrictions must be adhered to. The day before the examination, it is recommended to drink as much fluid as possible. But it is extremely important to completely stop drinking alcohol. In difficult situations, submission within 24 hours is allowed if the benefit from deciphering the result obtained is greater than the preliminary distortions. Such distortions arise due to non-compliance with fluid and food intake.
More complex tests, such as biochemical, immunological and others, require sampling venous blood. That is why preparation for them is more rigorous. The day before the analysis, dinner should be very light, a few hours before the expected sleep. It is important to exclude fatty, fried, sweet, and pickled foods from your diet. It is equally important to limit the consumption of sugars and protein products.
Each patient is obliged to exclude the use of alcohol, any stimulants, and carbonated drinks. Heavy smokers should first stop smoking, since nicotine, penetrating into the bloodstream, not only distorts the result, but also provokes spasm of peripheral vessels. This prevents blood from being drawn.
If it is not possible to not smoke, then you should wait at least one hour before taking the test.
The presence of certain substances in the body is observed in different times days and may fluctuate, so you should come to donate blood at strictly specified hours.
At hormonal tests You should not take any medications either in the evening or before the examination itself. If it is not possible to skip a dose and it is vital, then you should notify the laboratory assistant about this.
An equally important rule is no psycho-emotional stress. Before donating blood, you should sit for about ten minutes, relax, and only then donate blood.
You will need to postpone blood donation if any physiological procedures or radiography were performed the day before. Manipulation is permitted only in special cases, when the specialist will take into account all the inaccuracies when deciphering the result.
A blood test is a unique medical procedure that helps determine exact reason colds. You should not avoid such research, since no harm will be done to the body. The research is carried out only under the guidance of a specialist.
Source: pulmono.ru
Is it possible to get tested if you have a cold?
Home » Colds » Is it possible to get tested if you have a cold?
Is it possible to take blood tests for hormones and HIV if you have a cold?
Hormones are a substance that is produced in a certain amount by the endocrine glands.
With normal hormonal background, all internal systems of the body function correctly, including endocrine and reproductive.
Hormone testing is usually prescribed in cases of infertility or suspected thyroid dysfunction.
Many patients are interested in the question of whether it is possible to take a blood test for TSH and thyroid hormones during a cold. As doctors assure, colds in general do not affect the results of laboratory tests.
The main thing is, when visiting a doctor, immediately warn about the presence of any changes in the body, be it common cold, flu, sore throat or any other illness. The doctor will examine the patient’s condition and advise whether it is worth donating blood for hormones in a particular case.
In order for the indicators to be reliable, it is necessary to donate blood for TSH and thyroid hormones, subject to the following rules:
- You cannot actively train or physically reload your body a few days before visiting the laboratory.
- It is forbidden to drink alcohol two days before going for hormone tests.
- When donating blood for hormones, you should not smoke for two hours before visiting the doctor’s office.
- Tests for TSH and thyroid hormones are usually done in the morning on an empty stomach.
- It is important that the patient taking the hormone test is completely calm and not emotionally overstrained, otherwise the indicators will be greatly distorted.
Hormone test results are not always readily available. In some cases, data processing takes up to two weeks.
Taking medications
As it turned out, in general, if you have a cold, you can take blood tests for TSH and thyroid hormones. However, if the patient took antibiotics during treatment, it is advisable to postpone the procedure.
In this case, you need to wait at least ten days after completing the drug treatment for the results to be reliable.
Typically, blood is donated for analysis no earlier than two weeks after taking any medications. To make the results more accurate, doctors prefer to conduct the study 14-21 days after the last medication. Therefore, it is imperative to inform the doctor about what medications or dietary supplements the patient took.
The fact is that not all indicators remain reliable after taking certain types medicines. In particular, the TSH level may be reduced if the patient took Dopamine for any reason. The concentration of thyroid hormones changes when using drugs such as Danazol, Furosemide, Amiodarone. Some antiulcer drugs increase prolactin levels in men.
Taking aspirin and other drugs containing this substance must be stopped at least seven days before the laboratory test.
In any case, it is best to be treated with medications after a test for TSH and thyroid hormones has been taken.
An HIV test reveals the exact level of immune system cells that are responsible for recognizing pathogenic bacteria. If a person is infected with HIV, these cells quickly die. A sharp decline their level is the first signal that serious treatment is needed.
In general, changes in the parameters of these cells in HIV can be affected by frequent stress, the menstrual cycle in women, weather conditions and, as a consequence, the presence of a cold. Therefore, if the patient is sick, it is advisable to postpone taking an HIV test for a while.
If a person infected with HIV feels completely healthy, tests for immune status are taken every three to six months. If the patient is sick and takes antiviral drugs, the study is carried out much more often to obtain a reliable diagnosis.
Similarly, viral load test results for HIV may change. This test detects the level of viral particles in the blood.
An increase in rates may occur if a person has just had an illness or has received a prophylactic flu shot.
What blood tests can be taken if you have the disease?
Thus, we can conclude that if you have a cold or flu, you should only take tests for TSH or HIV when emergency. If this is a routine preventive examination, it is better to postpone the visit to the laboratory until complete recovery, when drug treatment is completed. In general, it will be useful for the reader to know whether it is possible to donate blood if you have a cold?
In case of a cold, blood is usually donated for one single purpose - to conduct a general analysis and find out what the origin of the pathogen is.
If the cause of the disease is a virus, the composition of the blood remains virtually unchanged.
- The white blood cell count remains normal or slightly increases;
- Monocyte and lymphocyte counts increase;
- ESR remains normal or slightly increases.
In case of bacterial activity, the blood composition will show the following results:
- White blood cell counts increase significantly;
- The level of band and segmented neutrophils increases;
- ESR indicators are noticeably growing upward.
As a result, after receiving laboratory data, the doctor can accurately diagnose the disease, find out the patient’s condition and detect additional diseases, if any. Also, according to the results obtained, a doctor is selected for treatment. So, in case of a viral disease, antiviral drugs are prescribed. Bacterial disease can be treated by using antibiotics.
If you start treating viruses with antibiotics, this will not lead to the desired therapeutic effect, as is the case with antiviral drugs. This is precisely why a general blood test is most often prescribed, in order to prevent medical error when choosing a treatment method.
As for donation, this procedure should also be abandoned during a cold. This can negatively affect the quality of blood and weaken the condition of the donor himself. The disease can also spread to others through a runny nose, coughing and sneezing.
Going through the procedure of donating blood during a cold is also dangerous because when testing the blood, respiratory viruses are not detected; usually laboratory technicians first test the blood for such severe infections as HIV, hepatitis B and C and other infectious diseases. Therefore, the fact whether respiratory disease viruses enter donor blood remains on the conscience of the donor himself.
Learn more about hormones and blood tests in the video in this article.
Can I donate blood from a vein if I have a fever or a cold? Does this affect the blood?
Leukocytes and other indicators will simply be increased, from which it will be clear that in the body inflammatory process goes (sometimes they rent it out specifically for this reason). If you are tested for cholesterol or sugar, then this is not so important, but in general it is easier to ask the doctor specifically about your situation - why are you testing, etc.
depending on what for.
none of NORMAL doctors will not allow blood donation when sick.
This is precisely why, at normal blood donation points, in order to donate, you need to go to the doctors, and only then can you donate
you can take it. affects, there will be small changes, but the laboratory technician, keeping in mind that your temperature, will give the correct result.
If you are a donor, then no. If the doctor ordered blood testing, then you can
It depends on what it’s for, if it’s an analysis to identify the cause of the disease, then it’s even necessary, but if it’s for donation, it’s not in any case.
You can’t, and no one will let you
It depends on what you're renting for. For HIV, ALT, AST, Cholesterol, HBsAg - will not change. As a rule, during the inflammatory process, the general formula changes, and this is a general blood test that is taken from a finger.
Of course it’s possible for infections like genital genitals. But you can’t take a general blood test. Or rather, you can pass, but the leukocytes will be so elevated that you will still have to retake the test. and by the way, your doctor must ask you if you were sick at that time.
If you are on sick leave, you will need to donate blood in any case. The doctor will definitely prescribe it. And if you need to donate blood for some specific studies (for example, tumor markers may go beyond the normal range during inflammatory processes in the body), then you still need to wait for recovery. Especially if you do it in a paid laboratory, you will be advised to repeat the study. because the result may be incorrect.
Can a hepatitis B test be questionable if you have a cold?
with our doctors it can.
symptoms of hepatitis - 1 complete absence strength 2 fever, chills, dizziness. 3 complete loss of strength, slight nausea, drowsiness. 4 severe nausea, vomiting, lack of appetite, loose light-colored stools, pink urine, frequent drowsiness. 5 coma and death. All stages pass within 7-10 days. Further treatment is useless. Heppatitis is similar to influenza.
A cold will not affect the tests in any way. viral hepatitis.
An unambiguous answer to hepatitis C is given only by an analysis for the presence of hepatitis C virus RNA in the blood, performed by the PCR method.
Take it to a decent laboratory. When submitting your test, please specify that you only need a qualitative analysis (as opposed to a quantitative one, which is needed only to monitor treatment and which costs an order of magnitude more). And ask, if RNA of the virus is detected, to immediately genotype the virus. This is very useful information for the future.
Description of the analysis:
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Is it possible to donate blood for hormones if you have a cold? the temperature was maximum 37.4. the last 2 days the temperature was 36.8
hormones are possible.
WHAT hormones! ?
For some studies, blood must be donated at a strictly defined time of day. So, blood tests for some hormones (TSH and parathyroid hormone), as well as for iron, are given only before 10 am. It should be remembered that the research results are influenced by physical stress (running, climbing stairs), and emotional arousal. Therefore, you should rest for 10–15 minutes before the procedure.
Blood samples are taken for analysis before starting to take medications or no earlier than 10 to 14 days after they are discontinued. An exception is when it is necessary to study the concentration of drugs in the blood.
Why on an empty stomach?
Proper preparation for the procedure is a guarantee of obtaining an accurate diagnosis. “On an empty stomach” means that at least 8, and preferably 12, hours must pass between the last meal and blood donation. Juice, tea, coffee, especially with sugar, are also food, so you will have to be patient. You can drink water.
To prepare for the procedure of donating blood for a general analysis, the requirements are less strict: the last meal should be no later than 1 hour before taking blood. But 12 hours before the examination, you should not consume fatty, fried foods or alcohol. If there was a feast the day before, the laboratory test should be postponed for a couple of days.
A hormonal study of blood parameters is carried out on an empty stomach (preferably in the morning; if this is not possible, 4-5 hours after the last meal in the afternoon and evening). On the eve of the test, high-fat foods should be excluded from the diet, and the last meal should not be large. The results of hormonal studies in women of reproductive age are influenced by physiological factors associated with the stage of the menstrual cycle, therefore, when preparing for an examination for sex hormones, you should indicate the phase of the cycle and adhere to the recommendations of your doctor about the day of the menstrual cycle on which you need to donate blood.
Hormones of the reproductive system are given strictly according to the days of the cycle: LH, FSH - days 3-5; Estradiol - 5-7 or 21-23 days of the cycle; progesterone 21-23 days of the cycle, prolactin, 17-OH-progesterone, DHA sulfate, testosterone - 7-9 days. If this is not changed by the recommendations of the attending physician.
Before donating blood for stress hormones (ACTH, cortisol), you need to calm down, when donating blood, get distracted and relax, since any stress causes an unmotivated release of these hormones into the blood, which will lead to an increase in this indicator.
Blood should not be donated immediately after an x-ray, ultrasound examination, massage, reflexology or physiotherapy treatments.
Blood samples are taken for analysis before starting to take medications or no earlier than 10-14 days after they are discontinued. To assess the control of the effectiveness of treatment with any drugs, it is advisable to test the blood 14-21 days after the last dose of the drug. If you are taking medications, be sure to tell your doctor about this.
Source: neb0ley.ru
How soon can you donate blood after a cold?
Is it possible to donate blood if you have a cold?
Colds (ARIs) or acute respiratory viral infections are different:
Therefore, if there are obvious signs of a cold-like illness: sneezing, mucous discharge from the nose, cough, redness of the throat, specialists often prescribe blood and urine tests to clarify the diagnosis, especially if the cold develops against the background of a persistent decrease in immunity or severe somatic pathologies (heart disease, kidney disease, liver disease). , nervous diseases, collagenosis). Even if the patient himself considers his illness to be a banal cold that will go away in a week, he should not refuse laboratory examinations– this will save you from unnecessary worries in the future.
These studies allow the attending physician to determine the nature of the disease and prescribe the correct treatment.
All colds develop when they enter the body: viruses, fungi, bacteria or their associations, which are the causative agents of the inflammatory process in the nasopharynx and upper respiratory tract. With a common cold, after hypothermia, activation of one’s own pathogenic or conditionally pathogenic microflora occurs against the background of a decrease in local and general immunity with the development of acute respiratory infections. Often a layer of viral infection occurs - and the patient suffers from ARVI. At the same time, the symptoms in patients with acute respiratory infections and acute respiratory viral infections are almost the same - headache, weakness, malaise, fever, runny nose, sneezing, nasal congestion and cough. But the patient’s therapy directly depends on the type of pathogen - influenza, adenoviral infection or bacterial sore throat - antiviral drugs or antibiotics, anti-inflammatory therapy or simply eliminating cold symptoms.
Why do they take blood for a cold?
A clinical blood test during a cold is considered a good marker of the activity of the inflammatory process ( ESR indicators and leukocytes), clarification of the viral or bacterial nature of the disease (shift in the leukocyte formula), layering of the allergic nature of the disease (eosinophils), the level of the body’s immune defense (lymphocytes) and much more in combination.
In case of severe viral illness, a virological study is performed to determine the causative agent of the infection. In the presence of concomitant diseases, a biochemical blood test is indicated to exclude the development of complications from other organs and systems that can aggravate the course of ARVI or acute respiratory infections. When immunity is reduced, an immunological blood test is performed to determine the state of the patient’s immune system and prescribe correct and adequate treatment.
Before taking blood tests, it is better not to take medications or drink strong alcoholic drinks, which are used by patients to treat colds in an unconventional way.
Is it possible to donate blood to a donor if you have a cold?
It is important to remember that donors need to wait until all signs of a cold have completely disappeared, this may affect:
By existing rules a donor can donate blood only a month after suffering from acute respiratory viral infection.
Is it possible to take a blood test if you have a cold?
All tests prescribed by the attending physician to clarify the diagnosis must be taken as soon as possible; in most cases, the quality of diagnosis of the disease, the correctness of treatment and the timeliness of its correction depend on this.
But if the test was previously prescribed to determine the level of hormones, examination for a planned operation or other blood tests, it is better to wait until complete recovery, because the indicators may be distorted and you will have to undergo the examination again or the diagnosis will be erroneous, you will have to undergo additional studies, which is fraught with loss of time and unnecessary financial costs.
Is it possible to donate blood and blood tests if you have a cold?
Colds can be mild or severe, accompanied by complications or concomitant diseases. Colds can also occur when certain factors or the presence of a pathogen.
In this regard, when the first symptoms of the disease appear in the form of a runny nose, cough, sneezing, redness or sore throat, the doctor often directs the patient to take blood and urine tests.
Thanks to this, it is possible to clarify the diagnosis, especially for a cold that developed during a decrease in immunity or due to the activity of somatic pathology.
Even if at first glance it seems that there is nothing wrong with a cold and the patient believes that it will go away in a couple of days, it is still recommended to get tested.
Such a simple procedure will relieve unnecessary worries, help assess the patient’s general condition, identify the cause of the cold and prescribe competent treatment.
Is it possible to take a biochemical blood test if you have a cold?
Clinical blood tests for colds allow you to:
If the treatment is incorrectly selected, the patient's condition can greatly worsen. An incorrectly chosen path of therapy greatly delays time and blurs the picture of the disease. Therefore, research to clarify the indicators must be carried out in any case.
There are two types of colds - viral and bacterial, and the symptoms of flu and colds are quite similar. In a viral disease, the causative agent is a virus; in a bacterial disease, the causative agent is bacteria.
At first glance, it is not easy to notice the difference between them, since diseases have general symptoms– headache, fever, cough, runny nose, redness of the throat and so on.
However, an accurate determination of the type of pathogen is necessary in order to prescribe competent treatment. So, for viral flu, antiviral drugs are required, and for bacterial sore throat, the doctor prescribes completely different medications in the form of antibiotics.
If you treat viruses antibacterial drugs, therapeutic effect will not, since viruses are not sensitive to such drugs. Likewise, antivirals are ineffective in treating bacterial diseases.
body.
It is necessary to understand that donors cannot donate blood during a cold. It is necessary to wait until all signs of the disease disappear, undergo tests to check the condition of the body, and only after that can donor activity continue.
Such a condition can not only affect the quality of the blood donated, but also harm the health of other donors and doctors. As you know, viruses spread well during coughing and sneezing, so everyone around them is at risk of contracting the disease.
Also, undergoing the procedure can aggravate the patient’s condition, weaken the body and harm the already weak immune system.
It is also necessary to adhere to important rule donation - you can donate blood only after a month has passed from the date of the illness.
Is it possible to do a blood test during a cold?
As mentioned above, in some cases, blood tests are not only possible, but also necessary to clarify the diagnosis and determine the general condition of the patient.
You need to donate blood as soon as your doctor has issued a referral for testing. The speed of obtaining test results determines the accuracy of diagnosing the disease, choosing a treatment package, and carrying out timely correction of already prescribed therapy.
However, if the patient is trying to take a previously prescribed blood test for hormone levels, wants to be examined before a planned operation, or otherwise visits the laboratory, it is necessary to wait until complete recovery.
Otherwise, the obtained indicators will be distorted, and the study will have to be repeated to obtain more accurate data. Incorrect indicators can directly affect the quality of treatment due to incorrect diagnosis of the disease.
Laboratory blood test results are usually available the next day. If the tests are carried out in a private laboratory, the data will be ready within a few hours.
How to prepare to donate blood
Before taking a general or biochemical blood test, you should not take any medications or drink alcohol, which are often used to treat colds. It is recommended to donate blood in the morning on an empty stomach; beforehand, you should not eat for at least eight hours.
If the patient cannot visit the laboratory in the morning, the blood donation procedure can be completed during the day, but before doing so, it is necessary to fast for at least six hours. At the same time, your morning diet should not contain fatty foods. An approximate breakfast should include unsweetened tea, unsweetened porridge without milk and butter, and an apple.
To undergo a general analysis, other conditions are required; the procedure is permitted one hour after eating; smoking must be avoided three hours before visiting the laboratory. If the patient is taking any biological supplements, the doctor should be notified in advance to avoid obtaining incorrect results.
An immunological study is carried out no earlier than two weeks after the patient has recovered. The same time should pass if the patient took antibiotics. Antihistamines, immunomodulators, vitamins. If fever is present, testing will be delayed.
Two days before the blood test, you need to eat according to a standard diet, do not eat too fatty, salty, fried foods, as well as flour and alcohol.
An interesting video in this article will help the reader understand the essence of a biochemical blood test.
Is it possible to donate blood if you have a cold - and how to do it correctly
Colds are quite common. They can have a simple or complex form and be accompanied by other disorders. Viruses, hypothermia, and a weakened immune system lead to the appearance of such ailments. If the first signs of illness appear - sneezing, runny nose, sore throat, cough - your doctor may recommend a general blood test.
You need to donate blood when you are sick for several reasons. Using this study, the following results can be obtained:
Inappropriately selected therapy can lead to a serious deterioration in the patient’s condition. Often, such tactics significantly delay time and lead to blurring the picture of the disease. To clarify the indicators, it is imperative to get tested for a cold.
Colds can have 2 forms - viral and bacterial. In the first case, the causative agent of the disease is a virus, in the second - bacterial microorganisms.
Both types of pathology have the same symptoms:
They are also often accompanied by redness of the throat and other manifestations. It can be very difficult to immediately notice the differences between diseases.
At the same time, it will not be possible to select the correct therapy without identifying the causative agent of the process. Thus, with a viral origin of the disease, there is a need to use antiviral drugs, while bacterial pathologies require different tactics and the use of antibiotics.
If you use antibacterial agents to treat viral infections, you will not be able to achieve the desired effect. Antiviral medications will not be effective in treating bacterial infections.
To diagnose the origin of the disease, blood donation is indicated. Most often, a general analysis is prescribed. If there is a need for a more complete picture, biochemical research is used.
When a patient has a complex viral disease a virological study is indicated. This procedure allows you to identify the causative agent of the disease.
If the patient has additional pathologies, there is a need to perform a biochemical blood test. Thanks to this procedure, it will be possible to eliminate complications from various organs. This is very important, because such violations can lead to a deterioration in the patient’s health.
If the immune system is weakened, an immunological blood test is prescribed. Thanks to this, it will be possible to accurately assess the patient’s condition and select adequate therapy.
Features of performing a blood test for influenza
A blood test during colds is an important diagnostic test. With its help, you can determine the diagnosis and general condition of a person. It is recommended to take the test immediately after receiving a referral from a doctor. The accuracy of diagnosis of the disease, the choice of treatment tactics and the correction of the selected treatment depend on the timeliness of obtaining data.
Using a blood test, it will be possible to determine what exactly the patient is infected with. Each pathogen has very specific indicators. In addition, the specialist will be able to determine the stage of development of the disease.
The results of blood tests are usually ready literally the next day. IN individual situations Data can be obtained within a few hours. This service is usually provided in private laboratories.
To get the right research results, you need to carefully prepare for it. Before taking a general blood test or biochemistry, it is prohibited to take any medications. Drinking alcohol is also strictly prohibited.
Blood should be donated in the morning. It is best to do this on an empty stomach. Experts do not recommend eating food within 8 hours before the test.
If it is not possible to donate blood in the morning, you can do the procedure during the day. However, in this case it is recommended to fast for 6 hours. It is important to ensure that your morning menu does not include fatty foods. For breakfast you can eat an apple, porridge without butter and milk. It is also perfectly acceptable to drink unsweetened tea.
So, before taking blood tests, you should familiarize yourself with the basic rules:
To do a general blood test, other conditions must be met. The procedure can be carried out 1 hour after eating. In this case, you should stop smoking 3 hours before your visit to the laboratory. When using dietary supplements, you must notify a specialist in advance. This will help prevent you from receiving incorrect information.
Immunological testing can be carried out only 2 weeks after the patient has recovered. The same time is required if a person took antibacterial drugs, immunomodulating agents, vitamin complexes, or antihistamines. If the patient has a fever, the test will have to be postponed.
You must follow a diet for 2 days before the procedure. It involves the exclusion of fatty and fried foods. Also prohibited are alcoholic drinks, salty foods and baked goods.
Is it possible to donate blood?
If you have a sore throat, rhinitis or cough, donating blood is strictly prohibited. In such a situation, you should wait until all manifestations of the disease disappear. You also need to undergo tests to assess the condition of the body. Only after this can you start donating blood.
What is the reason for this limitation? This question interests many people. Colds not only affect the quality of blood, but also cause harm to people around them - doctors and other donors. Viruses spread instantly when you cough or sneeze. Therefore, there is a risk of infecting others.
In addition, donating blood leads to aggravation of the patient’s condition. This procedure weakens the body and worsens the condition of an already compromised immune system.
To avoid negative consequences, it is important to follow the key rule of donation: you need to donate blood only after a month after recovery.
Is it possible to get tested for hormone levels?
There are situations when it is urgent to take tests for hormones for subsequent therapy, and a person has a cold. Does a cold affect the indicators in this case and is it possible to conduct a study?
A cold itself is a reaction of the body in which all defense mechanisms are activated. If possible, it is better to postpone hormonal tests to a later period and wait for recovery.
At the same time, scientists claim that cold pathologies do not affect the data from studies of thyroid hormones and the reproductive system.
Only some medications can distort this information. If the patient had to take antibacterial drugs, you will have to postpone donating blood to check hormone levels for at least 10 days after completing the course of therapy. To be more precise, experts advise taking such tests only 2 weeks after stopping the use of any medications.
Donating blood for colds is recommended solely for diagnostic purposes. Using this study, you can determine the nature and severity of the pathology. However, donation and other types of blood tests are not recommended during this period. To avoid negative consequences, you need to wait until complete recovery.
Is it possible to donate blood for hormones during a cold?
To date, it has not been fully studied how many hormones exist in the human body. The most important of them are well known to medicine and at the first suspicion of malfunctions in endocrine systems He prescribes tests to determine the amount of hormones. Regardless of the level of which biologically active substances need to be determined, you must adhere to generally accepted rules and regulations. Not everyone knows whether it is possible to donate blood for hormones if you have a cold. In the article we will talk about why it is necessary to take tests for hormones, the rules for taking tests and how diseases can be caused by mild form
may affect the data obtained during the study. The normal functioning of the body depends on many reasons. Some people underestimate the role of the endocrine system. Impact external stimuli on the body leads to the active production of certain hormones. They represent highly active substances
, which are produced by the endocrine glands and spread throughout the body through the bloodstream. Their presence in the body regulates the normal functioning of all organs and systems. Hormones are directly involved in all biochemical processes that occur inside the body.
disorders of growth and neuropsychic development in children.
In what cases is research necessary?
- The need for a blood test for hormones arises in the following cases:
- menstrual irregularities;
- infertility;
- tumor formations in the reproductive system;
- diseases of the thyroid gland and kidneys;
- habitual miscarriage;
- a sharp change in body weight (obesity or excessive exhaustion);
- metabolic disorders; emergence dermatological problems
- which manifest themselves in excessive hair growth;
- diseases of the thyroid gland;
- diseases of the kidneys and adrenal glands;
- delayed or excessive growth;
A doctor gives a referral for hormone tests if there is a disruption in the functioning of the endocrine glands or if their incorrect functioning is suspected. In addition, analysis for some biologically active substances is indicated during pregnancy. They must be carried out with the aim early diagnosis diseases in the fetus.
In order to confirm the presence of a certain disease in the body, it is not at all necessary to examine the entire hormonal background of a particular individual. Based on complaints and clinical manifestations doctor, endocrinologist prescribes tests:
Rules for submission and preparation for analysis
Preparation for taking tests should be given great attention. Failure to follow basic rules can lead to unreliable research results. Next, let's talk about how to prepare for hormone tests:
There are cases when it is urgently necessary to donate hormones for further treatment, and the person got sick. Is it possible to take a blood test for hormones if you have a cold? The cold itself is a kind of struggle in which all defense mechanisms are activated. Of course, if possible, it is better not to do hormone tests when you have a cold and postpone it until you recover.
Scientists stated that colds cannot in any way affect the results of studies of hormones of the reproductive system and thyroid gland.
But you should definitely inform your doctor about the fact of a cold.
Taking certain medications can distort test results. If the patient has undergone a course of antibiotic therapy, then he needs to postpone testing for at least 10 days after the end of treatment. To be more precise, doctors prefer to prescribe a blood test no earlier than 14 days after taking any medications. If a person has taken anti-inflammatory drugs, for example, aspirin, then tests can be taken no earlier than a week later. Some drugs can lower and others increase the level of certain hormones.
During a cold, you can donate blood to determine the amount of hormones, but you must tell your doctor about the illness. In addition, it is necessary to warn the laboratory about the illness when collecting biological material and about the medications that you had to take recently. The name of the medication must be noted on the analysis form. Most drugs affect the results of blood tests.
Do I need to take an HIV test, how long after exposure?
When a doctor says the words HIV infection, most people start to panic. The anxiety is caused by the diagnosis itself. This disease is considered incurable today; it can only be slowed down. Therefore, many people are concerned about the answer to the question: when is it necessary to take an HIV test, how long after contact with your sexual partner?
The danger of HIV infection is the destruction of the human immune system. The disease cannot be detected immediately; it is asymptomatic for a long time.
The disease is mainly transmitted through human sperm. It is not possible to become infected with HIV from:
HIV tests are carried out in special laboratories, where the doctor determines whether infection has occurred and whether you need help. Blood testing for HIV makes it possible to detect antibodies in the body that appeared after infection.
Today, HIV (human immunodeficiency virus) remains the most terrible disease. Many people are interested in the question: how long after contact do symptoms of the disease appear?
The appearance of a terrible infection is due to a virus, the insidiousness of which is that it destroys the body’s immune system. Moreover, after the infection appears, there are no signs of illness. Therefore, every person who is active sex life, you definitely need to have an idea of what possible period HIV infection may appear over time.
The disease can last for quite a long time without special features. Its presence in the body is practically not felt at all. During this time, it destroys the tissues of the immune system. As a result, a person develops serious diseases, many of which are fatal.
Today, medicine knows several methods of infection:
The main problem of AIDS remains the inability to detect the disease at the very beginning. If you donate blood to a laboratory for HIV immediately after exposure, it is possible fast detection infections.
How long does it take for the infection to appear?
The incubation phase lasts approximately three months. Moreover, this period may be shorter, it all depends on the specific state of the body. At this time, rapid multiplication of viral cells occurs in it. The body tries to fight the infection; it actively produces antibodies. At this time, it is advisable to take a blood test to detect harmful viruses.
The infection at the very beginning can manifest itself in different ways:
- Asymptomatic. At this time, there are completely no symptoms of the disease. You can detect an infection if you start taking tests during this period.
- The disease takes an acute form. The first symptoms appear. A person’s temperature rises, and lymph nodes are noticeably enlarged. The throat begins to hurt, the skin and mucous membranes become covered with a rash. Possible liver enlargement. Sometimes there is an upset stomach.
- After some time, the symptoms disappear and health improves. In Estonia, every person knows well how long it takes to get tested for HIV. How accurate the results will be depends on the time of delivery. The earlier the better.
Medical statistics show that symptoms of the acute form of the disease begin to appear after a few months in almost 90% of those infected.
The remaining infected people feel excellent and show no signs of illness. The appearance of AIDS can only be determined by taking a blood test. From here you can easily understand how long it takes to donate blood.
What periods is the appearance of AIDS divided into?
Very important! Even in the absence of signs of HIV symptoms, no matter what stage it is, a person remains infected and is capable of infecting other people, but only through sexual contact.
Time to continue the incubation period
It all depends on the human immune system. It affects the incubation period. The stronger it is, the shorter it will last latent stage diseases. Many people have this virus in their blood; it does not change when it enters the liver. Only after the introduction of a microorganism into a cell, this does not happen immediately, do the first signs of the disease appear.
In almost half of infected people, signs of the disease begin to appear two weeks after the onset of infection. They are very similar to the symptoms of a common cold:
Several weeks pass and all symptoms disappear without a trace. Moreover, no treatment is required. The person's condition is normalizing. He may not even know that the infection has settled in his body and live with it for decades. Medicine knows of cases where a person lived for more than 20 years without even knowing that he was infected with such a terrible disease.
To activate the immunodeficiency virus, certain conditions are required. It begins to actively multiply, for example, when a chronic infection appears in the human body.
What to do if you are afraid of contracting HIV infection
First of all, you need to take a blood test to detect antibodies in the blood. At the slightest suspicion that an infection has occurred, you should immediately take a blood test.
Timely diagnosis will help to quickly detect the presence of the virus and begin treatment, which can stop the progression of the disease.
Today such surveys are carried out anonymously. There are special laboratories for this. You can do a rapid test at home, but the results of such an examination will be very approximate.
How soon can I get a blood test?
To detect the virus, doctors use several methods. To use the PCR method, a blood test is taken two weeks after contact if the person believes that he had a risk of infection.
This technique allows you to detect a specific infectious agent. A blood test to determine the presence of HIV infection can be taken after 5 months if routine ELISA testing is performed.
The task of ELISA is to detect the presence of antibodies that counteract the virus. Typically, such testing is carried out 3-5 months after possible infection.
If the result shown by ELISA is negative, it is necessary to do a repeat analysis after three months.
This long period is necessary to give the virus time to begin its activity. Incubation period for each person is individual.
A pregnant woman should definitely be tested for AIDS. Medicine knows of cases where a repeat test was required. Every pregnant woman always has proteins in her blood with a structure very similar to a virus.
Even if after donating blood, it turned out positive result, don't faint. Yes, this pathology cannot be cured, but you can live with it for many years.
If you determine the stage of HIV development in time and prescribe appropriate treatment, you can stop the infection and prevent it from developing into a terrible form called AIDS.
How to donate blood to detect HIV infection
If a puncture is performed, then in order to undergo such an analysis, it is prohibited to eat or drink alcohol seven hours before the operation. You need to go to bed with an empty stomach. Only after blood sampling will you be able to have breakfast.
It will take about 10 days and the analysis will show the result. When conducting an express test, the result will be known in thirty minutes.
Every person should always remember that if he suspects he has been infected with HIV, he can be examined in any medical institution. In Estonia, city clinics operate special manipulation rooms. Each test is carried out painlessly and completely anonymously.
Exactly one month after contact, a person can donate blood to determine the presence or absence of HIV infection. The results of the survey are clear to everyone. If the result is positive, then the presence of infection is confirmed. If the data is negative, or the indicators are in doubt, the doctor will definitely refer you for a re-examination. It usually takes place within a few days.
The detection time for antibodies in the blood does not have a standard value. In each person’s body, the virus develops individually. Therefore, after taking the test, for some people antibodies are detected after three weeks, while for others this period can last several months.
When a woman decides to conceive a child, before becoming pregnant, she must be examined for the presence of immunodeficiency.
If a person is hospitalized for any illness, the hospital must conduct a blood test for AIDS.
According to Russian legislation, every citizen has the right to undergo HIV testing anonymously. The results of the examination are presented individually and are not disclosed anywhere. The time to detect HIV infection in the blood depends on the testing method and the person’s immunity.
If a person is unable to visit a specialized medical center To undergo an examination, the doctor can go directly to his home. Testing at home is carried out in the same way as in the hospital. The patient is registered and complete anonymity is maintained.
It is very important to identify immunodeficiency at an early stage. Every person is interested in this. After all, if it is possible to quickly determine the presence of infection, it will be possible to prescribe antiretroviral therapy and stop the progression of the disease.
How long after a cold can you donate blood?
In two weeks, the tests need to be normal (I caught a virus, like the flu from work, I’m taking rimantadine (I’m thinking about getting tested right the day before, will the cold have time to “go away” from the blood?
Mobile app "Happy Mama" 4,7 Communicating in the app is much more convenient!
I'll go donate blood and urine next week.
Do you have a cold now?
What kind of tests? a cold doesn't affect everything
General analysis, biochemistry)
Oh, I really hope so) Thank you!
The doctor told me to wait 2-3 weeks))
This is not very good(
If only oam, then it doesn’t matter)
Urine is also needed) But blood biochemistry is also needed (
The result may just be inaccurate... this will not affect the oam)))
The main thing is that there are no strong deviations)
I can’t say for sure, but after recovery, usually the tests are immediately normal. My son took the tests when he was sick, and they were absolutely perfect, as if he wasn’t sick at all. and the girl was in the hospital with me, she was also sick, the doctor was surprised that the tests were good
Well, it’s important to me that there is no longer inflammation in the blood)
I would take it, and if the results are bad, tell the doctor about the cold, he himself will decide whether it affected it or not and if anything, retake it again
It is necessary by a certain day) To be allowed in for examination) Just if the blood is bad, you will have to wait another month, because of the cycle)
Well, if you wait 2 weeks after an illness, you still won’t have time. so take it as late as possible after illness, but so that the results have time to come. I think everything will be fine with them
I really hope so) I will submit it as late as possible)
if the cold is not severe, then the blood should not be bad
Oh I hope) Thank you!
I know about oak, you need to wait 2 weeks. And if earlier, then the leukocytes and ESR may (but not a fact) be slightly increased, but I think the doctor will understand that this is a post-cold phenomenon, as they are slightly higher than normal
YES, I also hope that if something remains, it won’t be much) But of course I would like everything to be normal)
A week after recovery they should be good. Maybe faster
That would be great) Thank you!
Usually after 5-10 days the indicators return to normal.
I passed immediately after the treatment, I was shaking that bad results would come. Everything was perfect. True, in addition to Remantadine, I also smeared an immunomodulator on the nasal mucosa, it instantly gets me on my feet, Infagel. And for good urine, you need to drink analgin in the evening, before the analysis, at about 8 pm. Good luck.
Colds can be mild or severe, accompanied by complications or concomitant diseases. Colds can also occur due to certain factors or the presence of a pathogen.
In this regard, when the first symptoms of the disease appear in the form of a runny nose, cough, sneezing, redness or sore throat, the doctor often directs the patient to take blood and urine tests.
Thanks to this, it is possible to clarify the diagnosis, especially for a cold that developed during a decrease in immunity or due to the activity of somatic pathology.
Even if at first glance it seems that there is nothing wrong with a cold and the patient believes that it will go away in a couple of days, it is still recommended to get tested.
Such a simple procedure will relieve unnecessary worries, help assess the patient’s general condition, identify the cause of the cold and prescribe competent treatment.
Why donate blood if you have a cold?
Clinical blood tests for colds allow you to:
- Assess the degree of activity of the inflammatory process by identifying indicators of leukocytes and ESR.
- To clarify the viral or bacterial nature of the disease using a shift in the leukocyte formula.
- Identify the allergic nature of the disease and determine the indicators of the body’s immune defense.
If the treatment is incorrectly selected, the patient's condition can greatly worsen. An incorrectly chosen path of therapy greatly delays time and blurs the picture of the disease. Therefore, research to clarify the indicators must be carried out in any case.
There are two types of colds - viral and bacterial, and are quite similar. In a viral disease, the causative agent is a virus; in a bacterial disease, the causative agent is bacteria.
At first glance, it is not easy to notice the difference between them, since the diseases have common symptoms - headache, fever, cough, runny nose, redness of the throat, and so on.
However, an accurate determination of the type of pathogen is necessary in order to prescribe competent treatment. So, for viral flu, antiviral drugs are required, and for bacterial sore throat, the doctor prescribes completely different medications in the form of antibiotics.
If viruses are treated with antibacterial drugs, there will be no therapeutic effect, since viruses are not sensitive to such drugs. Likewise, antivirals are ineffective in treating bacterial diseases.
- To make an accurate diagnosis, a general blood test is usually sufficient. But, if the patient wants to get a more complete picture of his health status, the doctor can prescribe a biochemical analysis to check other indicators.
- If a patient is diagnosed with a severe viral disease, a virological test is prescribed, through which the causative agent of the infection can be determined.
- In case of additional concomitant diseases, it is necessary to take a biochemical blood test. Such a study is carried out to exclude the development of complications from internal organs, which can aggravate the patient’s condition due to a cold.
- In cases where immunity decreases, an immunological blood test is performed to determine the patient’s condition and prescribe the correct treatment.
It is necessary to understand that donors cannot donate blood during a cold. It is necessary to wait until all signs of the disease disappear, undergo tests to check the condition of the body, and only after that can donor activity continue.
Such a condition can not only affect the quality of the blood donated, but also harm the health of other donors and doctors. As you know, viruses spread well during coughing and sneezing, so everyone around them is at risk of contracting the disease.
Also, undergoing the procedure can aggravate the patient’s condition, weaken the body and harm the already weak immune system.
In particular, it is necessary to adhere to the important rule of donation - you can donate blood only after a month has passed from the date of the illness.
Is it possible to do a blood test during a cold?
As mentioned above, in some cases, blood tests are not only possible, but also necessary to clarify the diagnosis and determine the general condition of the patient.
You need to donate blood as soon as your doctor has issued a referral for testing. The speed of obtaining test results determines the accuracy of diagnosing the disease, choosing a treatment package, and carrying out timely correction of already prescribed therapy.
- A blood test will definitely help to find out what exactly the patient was infected with, since each pathogen is characterized by certain norms of indicators.
- Also thanks to this, doctors can determine at what stage the disease is. With highly elevated leukocytes, an inflammatory process can be detected. If, upon repeated analysis, the number of leukocytes has noticeably decreased, this indicates recovery.
- Among other things, a blood test will show whether the viral disease has developed into a bacterial one. A similar phenomenon is observed quite often if the patient suffers from a disease on his legs or does not receive the necessary treatment. The information obtained will allow you to adjust the treatment and rehabilitation plan.
However, if the patient is trying to take a previously prescribed blood test for hormone levels, wants to be examined before a planned operation, or otherwise visits the laboratory, it is necessary to wait until complete recovery.
Otherwise, the obtained indicators will be distorted, and the study will have to be repeated to obtain more accurate data. Incorrect indicators can directly affect the quality of treatment due to incorrect diagnosis of the disease.
Laboratory blood test results are usually available the next day. If the tests are carried out in a private laboratory, the data will be ready within a few hours.
Before taking a general or biochemical blood test, you should not take any medications or drink alcohol, which are often used to treat colds. It is recommended to donate blood in the morning on an empty stomach; beforehand, you should not eat for at least eight hours.
If the patient cannot visit the laboratory in the morning, the blood donation procedure can be completed during the day, but before doing so, it is necessary to fast for at least six hours. At the same time, your morning diet should not contain fatty foods. An approximate breakfast should include unsweetened tea, unsweetened porridge without milk and butter, and an apple.
To undergo a general analysis, other conditions are required; the procedure is permitted one hour after eating; smoking must be avoided three hours before visiting the laboratory. If the patient is taking any biological supplements, the doctor should be notified in advance to avoid obtaining incorrect results.
An immunological study is carried out no earlier than two weeks after the patient has recovered. The same time should pass if the patient took antibiotics. Antihistamines, immunomodulators, vitamins. If fever is present, testing will be delayed.
Two days before the blood test, you need to eat according to a standard diet, do not eat too fatty, salty, fried foods, as well as flour and alcohol.
An interesting video in this article will help the reader understand the essence of a biochemical blood test.
The appearance of a cold is often associated with unfavorable factors and infection. The disease can occur in mild, moderate and severe form, it can cause complications or more severe pathologies. Symptoms of colds include: sore throat, runny nose, cough, weakness and malaise, headaches, etc. In such cases, doctors usually write a referral for blood and urine tests. Their results help in making a diagnosis and determining the causes of the disease, especially if the cold has developed against a background of weakened immunity or exacerbation of existing chronic diseases.
Is it possible to take a blood test if you have a cold?
A blood test for colds is not only possible, but also necessary; it helps confirm the diagnosis and establish the general condition of the patient’s body. You should donate blood as soon as possible after receiving a referral for testing. Quick results will allow you to make a more accurate diagnosis and better select the necessary course of treatment. A blood test can determine which pathogen caused the disease and what stage it is at. You can also find out the severity of the disease. At acute inflammation The number of leukocytes increases significantly, and during the recovery period it begins to decrease.
In addition, the results of the analysis can determine the presence of a secondary bacterial infection, which often joins the viral one, complicating the course of the disease. In this case, different treatment is required.
All of the above applies to donating blood on the direction of a doctor whom a person has consulted about a cold. If he wants to undergo examination before surgery or determine the level of hormones in the body, then he needs to wait for recovery. Because otherwise, the results of the analysis will be distorted and uninformative, and this, in turn, can lead to an incorrect diagnosis.
It is especially worth mentioning about donors. Since donated blood must be as safe as possible, you cannot donate it if you have a cold or their symptoms. Any signs of illness are considered a contraindication for donating blood. Permission is given no earlier than a month after complete recovery from the disease.
General blood test for colds
Why is analysis needed?
What indicators are important for colds?
Very important indicator The blood test counts hemoglobin. It can be increased, for example, with dehydration, or decreased, with anemia. If your hemoglobin level is outside the established normal range, you should definitely consult a general practitioner. In cases where the increase in hemoglobin or its decrease significantly exceeds the normal range, it is necessary to visit a hematologist. Hemoglobin is measured in g/l. The norm depends on the age and gender of the person, as follows:
- in newborn babies it is 135-199 g/l;
- in children three months of age – 95-130;
- in women and children under 12 years of age – 110-140;
- in adult men – 120-160.
Another indicator of a blood test is the number of red blood cells. Its increase is a symptom of dehydration; in more rare cases, such an increase indicates respiratory or heart failure, polycystic kidney disease. A decrease in this parameter may be a sign of anemia. Normal values indicators are:
- 3.9 - 5.9 for newborn babies;
- 3.3 – 5.1 for babies older than three months;
- 3.8 – 5.0 for women and children;
- 4.1 – 5.7 for men.
The next blood indicator is the platelet level. Its increase can be triggered by severe blood loss resulting from injuries, operations, infectious and inflammatory diseases, oncology and other reasons. A decrease in this parameter may indicate autoimmune pathologies, blood diseases or bacterial infections. Normally, the platelet count is 150-400 thousand/µl.
An increase in such an indicator as the content of leukocytes can occur against the background of infection or inflammatory processes, as well as oncological pathologies, intoxication, poisoning, hemoblastosis and other diseases. With anemia, exhaustion, some blood diseases and autoimmune diseases, this parameter is below normal. It is worth considering that taking antibiotics and cytostatics can cause such a reaction in children. A normal value is considered to be between 4.5 and 11.0 thousand/µl, but in young children this parameter may be slightly higher than the indicated values.
The last indicator of the blood test is ESR. It increases in inflammatory and infectious diseases, as well as in injuries. Neoplasms can also increase it, severe blood loss and autoimmune pathologies.
In most clinics, blood collection is carried out in the morning. On this day before the procedure, you cannot eat, only a glass of plain water is allowed. People who smoke should remember that the last cigarette must be smoked at least two hours before donating blood. Before the procedure you should not take any medications, alcoholic drinks and drugs traditional medicine. Physiotherapy and x-rays are also best done after the procedure.
If the patient has to donate blood during the daytime, then you need to remember that the procedure should be carried out on empty stomach. In the morning you can have breakfast, but only low-fat and unsweetened dishes, for example, porridge without sugar and butter, a bun, an apple or unsweetened tea. The last meal should be no earlier than 1 to 3 hours before the procedure. At the same time, it should be light, excluding fatty, fried and sweet foods. If blood is donated for biochemical testing, then at least 5 hours must pass after breakfast before donating blood.
The day before the analysis, you should give up fatty, spicy and fried foods, as well as coffee, tea and chocolate. Alcohol is also contraindicated in any form. Substances contained in these products may interfere with test results.
It is worth paying attention to the position of the body during the procedure. So, if a person stands, his levels of cholesterol, creatine and other substances will be slightly increased. Therefore, blood is usually donated in a sitting, semi-sitting or lying position. Before the procedure, you must also avoid physical activity.
An immunological blood test is allowed only 10-15 days after complete recovery. Taking antibiotics can also affect the results of such an analysis. antihistamines, vitamin preparations, immunomodulators. If you have a high temperature, you should postpone donating blood for a while.
Website - medical portal online consultations with pediatric and adult doctors of all specialties. You can ask a question on the topic “Can I get tested if I have a cold?” and get a free online doctor’s consultation.
Ask your questionQuestions and answers on: is it possible to get tested if you have a cold?
2012-12-20 17:00:47
Julia asks:
Good afternoon.
I have the following question: is it possible to take PCR tests? Herpes virus type 1/2
PCR. HPV
PCR: gardnerella, mycoplasma, ureaplasma, chlamydia; bacterial sowing
PCR. Cytomegalovirus (scraping, qualitative determination)
Given that I now have a cold (runny nose, cough...), will the results be informative?
Answers Wild Nadezhda Ivanovna:
If you have a cold, you are probably taking some medications, and to get tested, one of the conditions is not to take antibiotics for several days. And during a cold, you need to treat the cold at home, and not infect people. Therefore, get treatment and then get examined.
2013-03-27 12:49:58
Natalya asks. :
Thank you very much for the answer.
Tell me, please, what is the connection between homocysteine and VEGF levels? I couldn't find it on the Internet. And, to my great regret, I did not find a laboratory that provides this analysis. At least, I didn’t see one in the list on Internet pages. But I will still find out by phone.
I want to clarify about homocysteine. I had 11.78 µmol when the laboratory norm was 12 µmol. But my gynecologist said that these are old standards and it should be no more than 9. I took folic acid and monthly B vitamins. A month later, my homocysteine was already 6-something, I don’t remember exactly. After another month, 3-something -That.
And please tell me what causes hyperhydroamnion? Could this factor cause the death of the fetus?
Sorry for so many questions. I really want a child and am terribly afraid of repeating a frozen pregnancy.
Just in case, I'll copy my previous question and your answer.
The answer to your question
March 21, 2013
Natalya asks:
Hello. Please help me figure this out.
I'm 34, my husband is 42. My daughter is 10 years old. We decided to have a second child. I was tested for Torch infection - negative. A vaginal smear showed Gardrenella. Treated. Cervical erosion was discovered. I did cryodestruction. Ultrasound of the pelvic organs, abdominal cavity, and thyroid gland is normal. Eat fibrous mastopathy, which I periodically check with ultrasound. Hormone tests: prolactin, progesterone, thyroid-stimulating hormone, antibodies to peroxidase - normal. Human papillomavirus was not detected. Homocysteine was slightly elevated. She brought it back to normal and became pregnant. During pregnancy, homocysteine was good. At the 5th obstetric week of pregnancy, I started to smear quite a bit and not every day (once every 3 days) with brown discharge. I did an ultrasound. Everything is fine. The uterus is normal tone. Duphaston was prescribed - 2 tablets per day. At the planning stage and during pregnancy I took folic acid - 4 mg and various multivitamin complexes with breaks. At the sixth obstetric week, I had a severe runny nose, my throat hurt a little, but there was no fever. She was treated with inhalations of chamomile and soda, honey and took a couple of Engystol tablets (homeopathy). She was cured in 5 days. During this period, severe toxicosis began. After taking duphaston for a week, the discharge stopped completely. At 12 obstetric weeks, an ultrasound scan said that the fetus had frozen at 8 weeks and that there were signs of hyperhydroamnion. They cleaned it and said it was a vacuum. Although at this time is it really possible?
Please tell me what tests I need to take before my next pregnancy? Should my husband take a spermogram, given that 2 pregnancies were completed without problems, as soon as we wanted. Could a cold in such a fairly mild form lead to the death of the fetus? Is it possible to plan a pregnancy after 4 months? What is the likelihood that this horror could happen again?
Thank you!
March 25, 2013
Palyga Igor Evgenievich answers:
Reproductologist, Ph.D.
information about the consultant
It makes no sense for your husband to take a spermogram, since you get pregnant without any problems. A cold could theoretically affect the course of pregnancy, but it would lead to fading, this is doubtful. I recommend for 20-24 days m.c. get tested for VEGF, given that homocysteine was elevated. At elevated level VEGF requires the administration of low molecular weight heparins under the control of a coagulogram + vit. gr.B+ folic acid for 2 months. before planning pregnancy and in the first months. pregnancy. Get pregnant in 4 months. theoretically you can, but first you need to be examined.
Answers Palyga Igor Evgenievich:
Hyperhydroamnion is not a cause, but rather a marker of pathology. Occurs as a result of infection, even ARVI (runny nose, sore throat, etc.) could lead to freezing. Determination of the level of homocysteine and VEFR are links in the same chain, leading to increased thrombus formation, which provokes fading and spontaneous abortions. If the level of VEGF is elevated, then in addition to vitamins, the administration of low molecular weight heparins is necessary. According to statistics, 10% of pregnancies end in miscarriages, unfortunately. so there is no need to dwell on the problem. I wish you success!
2013-01-04 13:28:03
Julia asks:
Hello.
I am 25 years old, almost constantly since childhood I have been bothered by a sore throat, even the slightest draft, a sip is enough cold water or ice cream, so that the throat becomes red, there is pain when swallowing. I suffer chronic tonsillitis. In the fall I had a cold, I washed out the lacunae of my tonsils, it felt better for a while, but literally after a week or two the sore throat returned. Purulent circles began to appear in the tonsils, and on one side of the neck the lymph node enlarged, like a lump measuring 3-4 cm in diameter, a little disturbing, unpleasant sensations when pressed.
Took tests (DiaService):
AT to EBV capsular antigen, IgM - 0.32;
AT to EBV nuclear antigen, IgG - 3.26; (positive)
anti-toxo IgG screening - 1.0;
anti-HSV IgG screening - 0.15;
anti-CMV IgG screening - 1.28; (positive)
anti-CMV IgM - 1.28; (positive)
anti-Mycoplasma hominis IgG - 0.69.
Please tell me what’s wrong with me and can my throat be cured?
Answers Agababov Ernest Danielovich:
Hello, Yulia, don’t fight at windmills; these infections cannot be the cause of your problems. It is likely that you have been in need of a tonsillectomy for a long time; without examination it is impossible to say for sure.
2012-12-03 11:00:14
Julia asks:
Hello! I am 35 years old (just turned), I gave birth in 2005 healthy child, in 2006 there was an abortion (same husband). In May 2012, there was a 3D (curettage was at the 9th week, no embryo was found). I followed the trail. examinations: PCR infections (all negative - chlamydia, ureaplasma, HPV, CMV, etc.), and I took them during planning. TORCH: I was vaccinated against rubella, toxoplasmosis - G and M negative. But for herpes - G 35.5 (the norm is up to 0.5), M - doubtful. (“gray” zone), and since childhood I have had frequent relapses of colds on the lips (it appeared right away during pregnancy, but the same thing happened during the first one). I took Valtrex for 3 months, the doctor says that I can get pregnant. But why is M doubtful? There were no relapses after taking Valtrex. I also underwent a series of APS examinations - it was negative. (antibody level is normal, lupus coagulant is not detected), hormones are normal (sex + thyroid hormones), homocysteine is normal. I also took a test on the recommendation of a geneticist (there is no risk of thrombosis, but some polymorphism was found in genes, which can lead to disruption of the folate cycle, while the serum levels of B9 and B12 are normal). For the 3rd month I have been taking folic acid (400 mcg per day) and materna. In a week I will repeat the IgM test for herpes. Am I really now unable to bear a healthy child from a simple herpes on my lips (and I’ve had it all my life)? After all, during pregnancy, immunity decreases, and it usually comes out??? Or am I already at a critical age? My husband is 34 years old, SM is normal (the urologist prescribed him microelements and vitamins for prevention). We both have 1"+" blood.
Answers Klochko Elvira Dmitrievna:
Herpes is not main reason miscarriage. If you become pregnant, in addition to everything else, take an omega-3 supplement. fatty acid. This way the pregnancy will continue.
2012-06-13 08:49:13
Julia asks:
Hello! I’m 31 weeks pregnant, they gave me a referral for biochemical tests, but I caught a cold. Is it possible to take this test if you have a cold?
Answers Gunkov Sergey Vasilievich:
Dear Yulia. You shouldn’t do this, wait until you recover and visit a specialist.
2011-08-16 11:43:26
Anna asks:
Answers Consultant at the medical laboratory "Sinevo Ukraine":
Good afternoon, Anna! I'll start with the results of your tests. Herpes and CMV are indeed unlikely to be the cause of your poor health for such a long time. Moreover, many adults, like you, are lifelong carriers of these viruses, while feeling great. Since you feel so bad, let's check the activity of CMV and HSV ½ at the moment. For this purpose, you need to conduct a PCR test of blood (CMV, HSV ½), urine and saliva (CMV) for viral DNA. If you don’t have virus DNA, it means the viruses are dormant and don’t cause any harm. feeling unwell have no relationship and do not require treatment. If CMV and/or HSV ½ DNA is detected, go to an in-person appointment with an infectious disease specialist and decide whether an adequate antiviral therapy. In fact, I am more concerned about the situation with EBV, since IgG EA was detected in you. And these antibodies usually appear at 1-2 weeks of illness and disappear on average after 3-4, maximum 6 months. The presence of antibodies to early antigens without anti-EBNA IgG (specify whether you have tested antibodies of this class) in the blood indicates primary infection. In addition, you should also conduct an IgM VCA test. The fact is that VCA stimulates the production specific antibodies class IgM from the first week of the disease, class IgG - from the third week of the disease, which persist for life, therefore, the detection of anti-VCA IgM indicates an acute infection, and the detection of only anti-VCA IgG indicates past illness. In addition, you need to additionally conduct a blood and saliva test for EBV DNA using the PCR method. It is advisable to seek a second consultation with the results of all EBV tests (and laboratory standards for them), and we will sort it out. You should also reconsider your attitude towards your sex life. Three years is a significant period, which negatively affects the balance of hormones, leads to the progression of skin rashes, and disturbances in the functioning of the nervous and endocrine systems. Be healthy!
2011-03-19 20:16:06
Tatiana asks:
Hello! I have this situation. The gestational age is 22 weeks. At 14 weeks, ultrasound revealed signs of a corpus luteum cyst in the right ovary measuring 50mm. On the next ultrasound at 18 weeks, the same doctor made a conclusion: Signs of hydrosalpinx on the right. My gynecologist said there was nothing wrong. From February 23 to March 1, she had a cold with a temperature of 38-39. The cough remained. On March 2, in the evening, while coughing, a sharp pain arose in the lower right. (I took a noshpa). On March 3, the pain did not go away, so I went to the hospital. The ultrasound (19.6 weeks) concluded: Behind the uterus, slightly to the right, there is a two-chamber anechoic formation 81*51*54, homogeneous, with clear, even contours, the wall thickness of the formation is 0.9 mm. Along the periphery of the formation there are pinpoint hyperechoic inclusions. Free fluid in the retrouterine space is determined in small quantities. Left ovary 25*13*18. The tissue of the right is not visualized separately. The size of the fetus corresponds to 20 weeks of pregnancy. Considering the lack of visualization of the right ovary, there is more evidence for an ovarian cyst on the right (cannot be excluded serous cystadenoma). Malnutrition of the tumor? adhesive process of the small pelvis.) After the ultrasound, they were immediately admitted to the hospital for conservation, because risk of miscarriage. Treatment was prescribed and the pain was relieved. At week 21, another ultrasound was done, which showed that the cyst had grown to 83mm. After that, I took a test to determine the ovarian cancer antigen, everything was fine. She was in bed from March 3-18, and was discharged. The cough did not completely go away. When I cough I feel a cyst. Upon discharge, the doctors suggested that we think about surgery - removal of the tumor, because... The cyst is growing and it is possible that it will develop into a malignant one. Either the cyst may be torsioned, or the child’s oxygen supply may be cut off. both the cyst and the uterus will grow. However, doctors cannot say with certainty that a miscarriage will not occur during the operation. I was given the choice - either a planned operation to remove the tumor and the possibility of maintaining a 50% pregnancy, or wait for acute pain and urgent surgery. The fact is that I have high myopia (laser restoration in 2004) and in any case a cesarean section. I ask for your help, please tell me, I’m afraid to risk my child and have surgery. We can only hope that while the baby is growing up, there will be no acute pain. The doctor who treated me and the deputy chief physician are of the same opinion. But the chief doctor insists on the danger and advises doing the operation as quickly as possible. Please advise what to do? I can’t risk my child, because... I’m 29 years old, and this is a long-awaited pregnancy after a miscarriage (24 years old) and a frozen pregnancy at 27 years old. Thank you, I hope for an answer.
Answers Chubaty Andrey Ivanovich:
Good afternoon. In order to answer you, we need to see you and examine you. And you demand that I judge the chief physician and the chief of medicine...
2010-01-10 16:32:08
Olga asks:
Hello, doctor, please help me with advice. My situation is this: I took Logest for a year, now, on the doctor’s recommendation, I’m taking a break for three months. During the entire first cycle after the abolition of sexual intercourse, there was no sexual intercourse at all. The first independent menstruation (through the cycle after stopping the use and the last withdrawal bleeding) began for 5 days ahead of schedule, went away usually, but a couple of days after they ended, bleeding began. An ultrasound showed that I was doing well; the doctor decided that this was a reaction to stopping the OC. I took a hemostatic agent (dicinone, ascorutin, tincture of water pepper - everything that the doctor recommended) and everything went away. I am very afraid of getting pregnant, because it is believed that stopping the OC increases the ability to conceive, I am very worried, because of this my sleep has even been slightly disturbed. In the second cycle, intimacy was seven times, always protected, the condom did not break or fly off, the only thing that bothers me is that it slipped a little during the process, the guy had to adjust it all the time, but, as far as I can tell, sperm did not “leak” over the edges of the condom ". And now, four days ago, the second independent period should have started, but it didn’t, today (01/09/2010) is already the fifth day. My stomach sometimes hurts, like during menstruation, I had all the usual signs of PMS (irritability, headache, sensitive breasts), my health did not change at all. I did four different tests, two on the third day of the delay, two more today, on the fifth - all negative, basal temperature 36.7 (in this cycle I measured it somewhat carelessly, as if from the second half of the cycle, when it should have already increased, but it did not never even reached the level of 37.0 and so far). And today it seems like mild signs of thrush appeared - I was very worried all this month and had a cold, my immunity was probably reduced. Before taking the hCG test, I would like to know your opinion - is this most likely pregnancy (extremely undesirable!!), ovarian dysfunction after stopping the OC, or is the delay caused by stress? Sorry for such a huge question, I wanted to state the problem as accurately as possible and please help me with advice and answer as soon as possible. Thank you in advance.
Answers Gopchuk Elena Nikolaevna:
Dear Olga, most likely this is a reaction to a cold and your experiences. Contact a gynecologist with these complaints and they will tell you how to solve the problem after an examination and ultrasound.
2009-10-14 11:01:52
Elena asks:
Good afternoon I no longer know who to turn to for advice. 6 years ago there was inflammation genitourinary system, passed a huge number of tests in Krivoy Rog, checked for chlamydia, mycoplasma, ureoplasma, gonorrhea and much more. They found only increased leukocytosis, no infections were found (before that they found ureoplasma, but as they told me later - not very effective method(something had to do with the coloring of the result in the test tube, which needed to be rechecked and I was poisoned with antibiotics in vain). After they found nothing, they did the usual cauterization of the erosion. After this, a few months later I had a regular smear and my leukocytes were elevated. there was no sexual partner all this time, risk reinfection excluded by anything. The doctor announced that there was some kind of sluggish inflammatory process and from what - he did not know and they could not determine anything in Ukraine, he said - if you want, go to Kyiv. After that, nothing really bothered me for about a year. Then I decided to get checked again, they found staphylococcus (they did a regular culture), treated it with antibiotics, and by that time erosion had developed again. But they decided not to cauterize it. Six months later I took tests again, because... complaints appeared (in the same laboratory as two years ago), this time they found ureoplasma, gardnerella and something else (but there was no chlamydia or mycoplasma). They treated me with antibiotics, did cauterization with a laser, but did not do control tests, they said it was not necessary. In principle, there were no complaints about anything. At the same time, during this time I will clarify again - there has been no sexual partner since the first treatment for ureoplasma, which was unknown or not. Then, after a couple of months, I had a routine culture and found E. coli (I didn’t take any other tests). They treated me with antibiotics for E. coli for a year, then they said no. They stopped poisoning. At the same time, during this time I became pregnant with a young man who did not have any symptoms of any inflammation. After they announced that there was no E. coli - three months later. The thrush was suddenly itching, I got tested again - they said coli . I decided to take the test in Dnepropetrovsk (two years ago already), they immediately said - Chlamydia (RIIF method), my partner also passed it - they also said chlamydia. I was treated with antibiotics, the symptoms went away, leukocytosis remained up to 10, a repeat RIIF test was negative and after 3 months. Since then, I have had no more sexual relations with my partner, except for oral sex with a condom twice. He was tested in two other places - they said - only trichomonas and no chlamydia. After 9 months, I took tests in the same place where he did, in one place they told me that I had chlamydia and trichomonas (PIF), in another - that only chlamydia (PCR), they did not find trichomonas. At the same time, I’ll clarify that a month before the test, I became very ill with bronchitis and took antibiotics, in particular amoxicillin, was very frozen and discharge began to appear, which is why I actually decided to get tested again. I again took tests (RIIF) at the place where I was treated, and again they told me chlamydia and that I had become infected again. The doctor said - it means you became infected through oral sex, although you used a condom. I was treated again for chlamydia in another place, where they did a PCR test, underwent treatment, took a PCR test - negative, antibodies 1:5 Ig G. But leukocytosis remained 40. I took the tests again in Dneprlopetrovsk, where I was treated two years ago, method RIIF is positive, with copious white discharge. In Krivoy Rog, I took it to the Kozhven hospital and they found gonorrhea, after which I re-tested it at the regional Kozhven hospital and had a consultation with a doctor there - they didn’t find any gonorrhea. A doctor in a private center in Dnepropetrovsk said - you were treated poorly and you already have a chronic condition. chlamydia. We were treated again in Dnepropetrovsk, leukocytosis dropped to 10, the RIF showed nothing. After the treatment, I also took tests at the regional skin department (PIF) - they said I have chlamydia, the first doctor said that they just have sensitive reagents and this is a residual phenomenon. I went to a regular gynecologist - a regular smear - dysbacteriosis, leukocytes 10, in the cervix. channel - 18-20. A routine smear did not reveal any pathogenic flora. Cytology - mild dysplasia. Here the doctor told me that they simply poisoned me with antibiotics. So, after all this Santa Barbara, I got a boyfriend a month ago, we used a condom and after sexual intercourse I douched with Citeal for prevention (about a couple of hours later), after three days I decided to get tested. A routine smear at a clinic in Krivoy Rog showed forty white blood cells and a positive coccal flora. Cytology - mild dysplasia and inflammation. Just for fun, I also took tests on the same day in Dnepropetorvsk in the same center (RIIF) - they said - you were infected with chlamydia again (+4 - acute stage) and you also have peptococcus, leukocytes are also 40. Let me clarify again that a week before these tests I had a cold, it didn’t turn into bronchitis, but I had a strong cough, and I also took amoxicillin. So now I don’t understand at all whether I had chlamydia or not, and if I did, they were simply undertreated??? Or is it just a simple dysbacteriosis, and we just don’t know how to do tests? I just don’t know where I can get truthful tests and get normal advice. So as not to read on the Internet about what tests are available and which give false positives. and which are false negatives. result. At the same time, doctors do not say anything that any analysis could be erroneous, depending on what cheap reagents were used and where, and immediately on the basis of who knows where the tests were done, they begin to treat. Do I have some kind of infection or not, based on the picture described, or did they just “heal” me and pump me out of money? Yes, I almost forgot, with my first young man we always used a condom and Pharmatex for six months, without Pharmatex only twice. I’m not a doctor, but I’m not sure that in this case he could have contracted chlamydia from me (if I had any at all), or I from him, in cr. At least the probability is small.
Whether you can donate blood if you have a cold depends on the type of disease—infectious or bacterial. It is also determined based on the type of laboratory test that needs to be carried out.
A cold is a common human respiratory disease that varies in severity and symptoms present. This category includes various pathologies with similar symptoms: cough, rhinitis, sore throat, increased body temperature. To clarify the nature of the disease, examinations are prescribed, so the doctor decides whether it is possible to donate blood for a cold.
Why are tests needed?
Treatment of a cold requires diagnostics, for which laboratory tests are prescribed. This makes it possible to plan further therapy. Conducting clinical tests makes it possible to:
- Assess the level of inflammatory activity by assessing the number of leukocytes, as well as ESR;
- Determine which form of the disease is viral or bacterial;
- Identify the presence of an allergic form of pathology and clarify the degree of activity of the immune system.
- Without this, it is impossible to carry out proper treatment, so the patient’s condition may worsen. The fact is that viral and bacterial forms of diseases are similar, but they have different nature and are treated different ways. So, if you treat antibacterial agents viral pathologies, this will not bring results, as will the treatment of bacterial diseases with antiviral agents.
- Whether it is possible to take tests for a cold is decided by the doctor, who determines the need for one or another laboratory research. To make a diagnosis, a general blood test is used;
- The question of whether it is possible to take a biochemical blood test if you have a cold is determined by the requirement to obtain a complete picture of the patient’s health status in order to clarify other indicators. This study reveals accompanying illnesses and allows to exclude the development of complications;
- In case of reduced immunity, an immunological blood test is prescribed, according to which therapy is adjusted.
Hormone analysis
There are situations when such diseases arise at an inconvenient moment. Many people do not know whether it is possible to donate blood for hormones during a cold so that its presence does not distort the test results. Scientists have found that the presence of respiratory pathologies does not affect changes in hormonal levels in the body.
However, whether it is possible to take hormone tests when you have a cold is additionally determined by the medications you are taking. So, the use of antibiotics or antiviral medications does not lubricate clinical picture, but dietary supplements, as well as other such agents, can change the indicators.
For example, taking Dopamine reduces the level of thyroid-stimulating hormones in the body. At the same time, the production of the hormone prolactin by the pituitary gland increases if anti-ulcer medications are taken. Therefore, due to the use of such drugs for therapy, the doctor determines whether hormones can be taken for a cold based on the patient’s health condition and the time when the medication was stopped. Typically, the waiting period after completion of treatment before testing is 10-15 days.
Donating blood
If you have a cold, you are prohibited from donating blood and you must wait until the signs of pathology are eliminated and confirm your recovery with tests. The reason is that diseases reduce the quality of the donor material, through which the patient may be harmed during transfusion. In addition, a decrease in the amount of blood in a diseased body reduces the level of immunity.