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 …
Low white blood cell count Causes - Mayo Clinic
Jun 15, 2005 · White blood cells are made in bone marrow — the spongy tissue inside some of the larger bones. Conditions that affect the bone marrow are the usual causes of low white blood cell count.
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 …
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 …
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.
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 …
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.
Low white blood cell count - Mayo Clinic Connect
May 18, 2025 · My wife is getting a bone marrow biopsy tomorrow on her doctor’s orders to see if her disease has transformed into a different type that is affecting white blood cells.
White Blood Cells Are Normal. Is this Good or Bad?
Aug 17, 2025 · One nurse said "You must have a significant infection which is pushing your WBC count up rapidly." We won't see Rachel's hematologist until she is discharged from Rehab.