Histamine is released
   
Histamine is released

Mast cells release histamine when an allergen is encountered. The histamine response can produce sneezing, itching, hives and watery eyes.


Review Date: 6/17/2012
Reviewed By: Stuart I. Henochowicz, MD, FACP, Associate Clinical Professor of Medicine, Division of Allergy, Immunology, and Rheumatology, Georgetown University Medical School. David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
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