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Doctor insights on: Does The Flu Affect Your Cbc

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Child, 6,had well check and her CBC 3.5 WBC, other values normal, retest 6 wks. She had the flu (Jan) and had a low WBC. What can cause this? Worried.

Child, 6,had well check and her CBC 3.5 WBC, other values normal, retest 6 wks. She had the flu (Jan) and had a low WBC. What can cause this? Worried.

Maybe normal: If your child is healthy, values may be normal. Viral illnesses can alter WBC for a few weeks but the bottom line is the health status of the child. However, If there are significant alterations of certain cell lines such a as red blood cells, platelets or significant drop in levels of certain white blood cell types, further evaluation may be needed. ...Read more

Dr. Heidi Fowler
1,889 doctors shared insights

Flu (Definition)

The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more


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Can a flu shot lower WBCs? Had a CBC 2 days after flu shot. WBCs came back lower than normal (mine are already low).

Yes: It is possible. Will strongly advise you to look into the reasons for low WBCs- toxins, side effects of medications, etc. Together with clearing the reasons for that I would advise you to take some herbs to strengthen your immune system and stimulate the bone marrow. Best, Siranush Cholakian MD ...Read more

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Could a passed flu or cold influence the results of cbc a week after more specifically neutropolis and lymphocytes counts?

May be: it is a vague question. Flu may be followed by bacterial infection and cause increased neutrophils. A usual cold should not materially alter the WBC counts and differential counts. ...Read more

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Normal CBC with differential but constant flu-like symptoms and feeling run down. Reoccurs every couple of weeks esp. after trying to workout.

Normal CBC with differential but constant flu-like symptoms and feeling run down.  Reoccurs every couple of weeks esp. after trying to workout.

Allwrgy: Need first to rule out allergy . It is the only think that could keep reoccurring that sound like like glue or cold. It could be a dust or cleaning chemical where you work out. Hydrate yourself well take Claritin during the day and Benadryl (diphenhydramine) at night and drink hot green tea with lemon and honey every evening . Meanwhile check with your doctor to check thyroid and blood count and your immune system. ...Read more

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Bro doesnt want to be tested for HIV 8yrs postexposure. Norm cbc,had fver,flu,colds,exud tonsillophrngitis in the last 8yrs. Should it manifest now?

Bro doesnt want to be tested for HIV 8yrs postexposure. Norm cbc,had fver,flu,colds,exud tonsillophrngitis in the last 8yrs. Should it manifest now?

HIV is very tricky: I would be very careful regarding this virus - it often takes YEARS to show up, and although what you report is encouraging, I would still want to have the patient screened and tested. There can be clues like anemia and low percentage of lymphocytes on the CBC. Different people are able to fight the virus differently (different strains too) - still it's no substitute for a test. God bless. ...Read more

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If person not feeling well and is flu-ish, but has no fever and CBC is all normal- can this rule out a major infection?

If person not feeling well and is flu-ish, but has no fever and CBC is all normal- can this rule out a major infection?

Yes: With extremely rare exceptions, in an Immunocompetent person, most infections are associated with some change in blood cell differential counts with or without fever ...Read more

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Flu like symptoms for past 5 months. Dr.'s issued tests including immunoglobulins, sed rate, cbc; everything is 'normal'. What do I do? I feel awful.

Flu like symptoms for past 5 months. Dr.'s issued tests including immunoglobulins, sed rate, cbc; everything is 'normal'. What do I do? I feel awful.

Flu won't quit: Depends on what symptoms you are experiencing. Have there been any actual documented infections such as sinusitis or pneumonia? If you're experiencing respiratory symptoms my first inclination is that you should have an allergy evaluation. Even systemic flulike symptoms such as fatigue and malaise may be a part of the allergy syndrome. Look for a board certified allergy specialist at aaaai.Org. ...Read more

Complete Blood Count (Definition)

Share on twitter bookmark & share printer-friendly version a complete blood count (CBC) test measures the following: •the number of red blood cells (rbc count) •the number of white blood cells (wbc count) •the total amount of hemoglobin in the blood •the fraction of the blood composed of ...Read more


Cbc (Definition)

CBC stands for complete blood count. This is a lab test that counts the different formed elements- red and white ...Read more