A vial of blood

White Blood Cell Disorders

Your white blood cells may be affected by disorders such as pancytopenia, neutropenia, and eosinophilia. Understanding your symptoms and diagnosis can help you navigate between choices for treatment.
3D rendered Illustration of anatomically correct Monocyte immune system defense cells
How Monocytes Function in the Body
Medically reviewed by Douglas A. Nelson, MD
A white blood cell.
White Blood Cells and Innate and Acquired Immunity
Medically reviewed by Jason DelCollo, DO
Illustration of B-cells
B-Cells in Your Immune System Help Fight Off Infections
Medically reviewed by Keri Peterson, MD
A doctor placing a blood sample down
Eosinophilia: Symptoms, Causes, Diagnosis, Treatment
Medically reviewed by Douglas A. Nelson, MD
Polymorphonuclear Leukocytes White Blood Cells
Medically reviewed by Douglas A. Nelson, MD
Chemotherapy: drug injected into catheter in hand
Absolute Neutrophil Count (ANC)
Medically reviewed by Douglas A. Nelson, MD
Doctor holding baby
Causes of Low White Blood Cell Count in Babies
Medically reviewed by Douglas A. Nelson, MD
Woman scratching arm
Symptoms, Diagnosis, and Treatment of Mastocytosis
Medically reviewed by Douglas A. Nelson, MD
Scientist reviewing bone marrow slides
Severe Congenital Neutropenia
Medically reviewed by Douglas A. Nelson, MD
Neutrophil Cell
Cyclic Neutropenia Symptoms, Diagnosis, and Treatment
Medically reviewed by Douglas A. Nelson, MD
White blood cell, illustration
White Blood Cell Disorders: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Douglas A. Nelson, MD