What are the physical findings of angioedema in patients with acute urticaria (hives)?

Updated: Mar 21, 2018
  • Author: Henry K Wong, MD, PhD; Chief Editor: Michael A Kaliner, MD  more...
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Answer

Assess for any features of angioedema (deep tissue or submucosal edema). [34] Angioedema appears as swellings of the tissues, with indistinct borders around the eyelids and lips. Swellings may also appear on the face, trunk, genitalia, and extremities. The face, hands, and feet are involved in 85% of patients. As many as 50% of children who have urticaria exhibit angioedema with swelling of the hands and feet. Hereditary angioedema (C1 inhibitor deficiency) accounts for only 0.4% of cases of angioedema but is associated with a high mortality rate.


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