Leukocytosis means you have a high white blood cell count. This means you have more white blood cells than normal. Leukocytosis is a normal immune response and isn’t always a cause …

Jun 11, 2005 · Learn the causes of this increase in disease-fighting cells in the blood.

Dec 2, 2025 · This article will discuss symptoms of the conditions associated with a high white blood cell count, including common causes, tests, and treatments. See your healthcare …

Jul 9, 2025 · A white blood cell (WBC) count above about 11 × 10⁹/L usually signals that your immune system is reacting to something—most often infection, inflammation, severe stress, …

There are many reasons why your white blood cell count may be high. Learn why yours may be higher than normal, the related symptoms, how to get a diagnosis, and treatment options.

Oct 31, 2025 · Doctors consider a white blood cell count high when it goes above 11,000 cells per microliter of blood. This condition is called leukocytosis. While high white blood cell counts can …

High White Blood Cell Count - Learn about the causes, symptoms, diagnosis & treatment from the Merck Manuals - Medical Consumer Version.

What is a white blood count (WBC)? A white blood count measures the number of white blood cells (WBCs) in your blood. White blood cells, also called leukocytes, are part of your immune …

Dec 23, 2025 · When the count is above this range, it is called leukocytosis, or elevated WBC count. Can wbc be high without infection? Yes. Not all elevated WBC counts are caused by …

Mar 7, 2024 · Leukocytosis is the medical term used to describe a high WBC count.