Agranulocytosis is a low level of white blood cells. These blood cells are part of the immune system. They help fight infections.
Agranulocytosis may be:
Agranulocytosis is caused by destruction of white blood cells or by the failure of bone marrow to make enough white blood cells.
With congenital agranulocytosis, these problems are caused by a genetic defect.
With acquired agranulocytosis, these problems may be caused by:
Factors that increase your chance of developing agranulocytosis include:
Symptoms of agranulocytosis may include:
Symptoms of congenital agranulocytosis may include:
Your doctor will ask about your symptoms and medical history. You will be asked about recent infections, medical treatments, and medications. A physical exam will be done.
Your bodily fluids and tissues may be tested. This can be done with:
Treatment will be based on the type and cause of agranulocytosis that you have. Options include the following:
Leukocytes are a type of white blood cell. These cells are collected from a donor and carefully screened. They are then delivered through an IV. These white blood cells may make up for the deficit caused by agranulocytosis.
Antiviral, antibiotic, and antifungal medication may be needed to:
Granulocyte colony-stimulating factor (G-CSF) or granulocyte-macrophage colony-stimulating factor (GM-CSF) encourages the body to make more white blood cells. This may help with certain types of agranulocytosis.
When possible, the toxin or drug that is causing the problems will be removed.
Your doctor will monitor you if you are taking medication or having medical treatment that could lead to agranulocytosis. You may be given white blood cell stimulating medications before having treatments. This may prevent agranulocytosis.
American Dental Association
National Organization for Rare Disorders, Inc.
The College of Family Physicians of Canada
Boulton F, Cooper C, et al. Neutropenia and agranulocytosis in England and Wales: incidence and risk factors.
American Journal of Hepatology. 2003 Apr;72(4):248-54.
Neutropenia. EBSCO DynaMed website. Available at:
https://dynamed.ebscohost.com/about/about-us. Updated July 11, 2013. Accessed August 20, 2013.
Last reviewed August 2013 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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