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Doctor insights on: Bacterial Infection White Blood Cell Count

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How long might a white blood cell count remain elevated following a bacterial infection is cleared?

How long might a white blood cell count remain elevated following a bacterial infection is cleared?

Usually days: To a week or so. Partly depends on how severe the infection and effctive treatment. ...Read more

Dr. Michael Kleerekoper
9 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


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My white blood cell count was 6.25... Is this normal or low? Is it okay to take prednisone for poison ivy with this WBC count?

  My white blood cell count was 6.25... Is this normal or low? Is it okay to take prednisone for poison ivy with this WBC count?

You're fine: Normal WBC. I trust lymphocyte and neutrophil counts were fine also. Take the prenisone for the poison ivy only if it's so bad you can't sleep otherwise. We're glad to help. ...Read more

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I have a high white blood cell count on my pap smear culture but am negative for any STIs and have no other infections. What could it be?

I have a high white blood cell count on my pap smear culture but am negative for any STIs and have no other infections. What could it be?

Not a count: We don't count white cells on the pap smear. They are always present and the number is often high for no reason. Relax and get on with your life. ...Read more

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Is it possible for your white blood cell count not show signs of infection?

Is it possible for your white blood cell count not show signs of infection?

Certainly.: Mild and even moderate infections can have little effect on the white blood count. More severe infections may change the white blood cell count. Sometimes, even mild changes in the white blood cells may not be detected by the automated blood count machines, but can be recognized by pathologists. ...Read more

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Could a herpes infection affect my white blood cell count?

Yes: Any infection can affect your WBC count - these are the cells that fight infection, so we expect the normal for your body to change when you have an infection. It may be the total count changes (up or down), or the ratios of different types of white blood cells changes (change in differential count).Talk to your doctor about what your specific numbers signal - the numbers are just one puzzle piece. ...Read more

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Hi docs, will your white blood cell count not show signs of infection?

Hi docs, will your white blood cell count not show signs of infection?

It may or may not: There are a variety of different types of infection. The white count (total, and counts of individual types) may or may not become high or low in response to particular infections. The whole business is enormously complicated, and labs are only one piece of information used in arriving at diagnosis. ...Read more

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Ref. Range 4.0-11.0. My white blood cell count was 11.8. How likely is leukemia? I had a sinus infection and abd rash at the time.

Ref. Range 4.0-11.0. My white blood cell count was 11.8. How likely is leukemia? I had a sinus infection and abd rash at the time.

Not likely: A number of things can cause an elevated WBC including infections (like your sinus infection) and even just stress (mental or physical), so it would seem unlikely that just based on this you would have leukemia or any other serious condition. ...Read more

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Low white blood cell count -- does it mean infection is gone?

Low white blood cell count -- does it mean infection is gone?

NOT NECESSARILY: Sometimes your WBC count can fall precipitously as an infection worsens, because they adhere to blood vessel walls and then enter the tissues and are consumed by the process of fighting bacteria. If, however, the WBC was quite high, it may come down as treatment is effective. ...Read more

Dr. Heidi Fowler
2,011 doctors shared insights

Bacterial Infections (Definition)

Bacteria are tiny organisms that can only be seen with a microscope. When certain bacteria enter the body, they can cause infections that must ...Read more


Bacteria (Definition)

Are omnipresent single celled organisms which are the both the simplest form of life and the original form of life on earth. The are ...Read more