Neutropenia (low neutrophil count)

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Causes

By Mayo Clinic staff

Neutropenia may be caused by:

  • Congenital disorders characterized by poor bone marrow function
  • Cancer or other diseases that damage bone marrow
  • Viral infections that disrupt bone marrow function
  • Autoimmune disorders that destroy neutrophils or bone marrow cells
  • Overwhelming infections that use up neutrophils faster than they can be produced
  • Drugs that destroy neutrophils or damage bone marrow

Possible causes of neutropenia include:

Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.

References
  1. Baehner RL, et al. Overview of neutropenia. http://www.uptodate.com/home/index.html. Accessed Sept. 30, 2010.
  2. Dale DC. Neutropenia and neutrophilia. In: Lichtman MA, et al. Williams Hematology. 8th ed. New York, N.Y.: McGraw-Hill Companies Inc.; 2010. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=69. Accessed Sept. 30, 2010.
  3. Neutropenia. The Merck Manuals: The Merck Manual for Healthcare professionals. http://www.merck.com/mmpe/sec11/ch132/ch132b.html?qt=neutropenia&alt=sh. Accessed Sept. 30, 2010.
  4. Laboratory reference values. Neutrophils. Rochester, Minn.: Mayo Foundation for Medical Education and Research; September 2010.
  5. Linker CA, et al. Blood disorders. In: McPhee SJ, et al. Current Medical Diagnosis & Treatment 2011. 50th ed. New York, N.Y.: McGraw-Hill Companies Inc.; 2010. http://www.accessmedicine.com/content.aspx?aID=5767. Accessed Sept. 30, 2010.
MY00110 Oct. 9, 2010

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