High white blood cell count Causes - Mayo Clinic
Jun 11, 2005 · A high white blood cell count usually means one of the following has increased the making of white blood cells: An infection. Reaction to a medicine. A bone marrow disease An …
High white blood cell count - Mayo Clinic
Jun 11, 2005 · What's considered high in a white blood cell count varies from one lab to another. This is because laboratories set their own reference ranges based on the populations they serve. In general, …
Low white blood cell count - Mayo Clinic
Jun 15, 2005 · In general, for adults, a count lower than 3,500 white blood cells per microliter of blood is considered low. For children, an expected count depends on the age. It's possible for some people to …
Pediatric white blood cell disorders - Mayo Clinic
May 1, 2025 · Many factors can cause too few or too many white blood cells. Find out more about these conditions in children.
Neutropenia (low neutrophil count) - Mayo Clinic
Jan 23, 2025 · Neutropenia (noo-troe-PEE-nee-uh) means that the body has too few neutrophils, a type of white blood cells. All white blood cells help the body fight infections.
WBC count keeps getting lower and lower | Mayo Clinic Connect
Feb 9, 2024 · I've heard about the fact that some people have naturally lower levels of WBC that don't signal any health issue. The thing that worries me is that my counts keep getting lower and lower …
Complete blood count (CBC) - Mayo Clinic
Jan 14, 2023 · A medical condition such as an autoimmune disorder that destroys white blood cells, bone marrow problems or cancer might be the cause. Certain medicines also can cause a drop in …
Low White Blood Cell Count Not Always a Sign of Medical Problem
Feb 4, 2011 · As part of your immune system, white blood cells fight disease and are important for the body's defense against infections. A chronically low white blood cell count (leukopenia) can make …
Firm lymph node + low WBC for 1 year — could it be lymphoma?
Jul 8, 2025 · The differential will define each of the 5 types of white blood cells. With lower counts, especially neutrophils and lymphocytes, your body will have a more difficult time fighting off infections.
low white blood cell - Mayo Clinic Connect
Dec 28, 2022 · Lower WBC can also be an indicator of autoimmune diseases such as rheumatoid arthritis, a lack of Vitamin B-12, alcohol consumption or a viral infection are causes.