White blood cells help fight infection in the body. Medical practices can differ in how they define a low white blood cell count. There are five types of white blood cells. Neutrophils account for ...

Leukopenia refers to an abnormally low number of white blood cells, including the main type known as a neutrophil. Causes include malnutrition, medication side effects, autoimmune diseases, bone ...

Medically reviewed by Benjamin Leach, MD Key Takeaways Eating foods like yogurt, lean proteins, and vegetables can support healthy white blood cell levels. Medicines like Neupogen and Granocyte can ...

A person with leukopenia has a low number of white blood cells, or leukocytes, in their blood. A low white blood cell count may make a person more likely to contract an infection. White blood cells ...