What is the role of hereditary angioedema in chronic urticaria?

Updated: Jul 31, 2018
  • Author: Marla N Diakow, MD; Chief Editor: William D James, MD  more...
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Answer

Hereditary angioedema is characterized by recurrent attacks of angioedema (without urticaria) involving the skin, gastrointestinal (GI) tract, respiratory tract, and mucous membranes in a patient with a positive family history. The disorder is autosomal dominant, and it is caused by a functional deficiency of the C1 inhibitor protein.


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