A leukemoid reaction is a very large short-term increase in your white blood cell count that can be mistaken for leukemia. Some of the potential causes include: infections solid cancers drug side ...

White blood cells (WBCs) help the body fight infections and other health conditions as part of the immune system. Certain diseases can impact the normal WBC range among females. This article explores ...

Treatment with a molecule known as A485 can quickly and temporarily increase levels of white blood cells, a critical part of the body’s immune system, an effect that is difficult to deliver with ...

Elevated white blood cell counts also appear to correlate with shorter overall survival in patients receiving standard induction chemotherapy plus cytarabine for acute myeloid leukemia. High serum ...

Lymphocytosis means you have a higher-than-usual lymphocyte count, often defined as more than 3 to 4 billion cells per liter of blood. Lymphocytes are white blood cells that help fight disease. Smudge ...

A simple blood test might determine which patients are at risk for long COVID, a new study says. Higher levels of leukocytes -- a form of white blood cell -- are associated with more severe symptoms ...

Trauma, infection, and other pathological conditions trigger inflammation as a first line of defense. Immune cells rush to the site of injury or acute illness to make repairs and stem further damage.