Acute urticaria and angioedema Note that there are both superficial wheals and deep, diffuse edema. Occurred after the patient had eaten shellfish. He had similar episodes previously but never considered seafood as the cause.
Read about urticaria and angioedema in context:
Read about urticaria and angioedema:
Fitzpatrick’s Dermatology, 9e: Chapter. 41. Urticaria and Angioedema
Harrison’s Principles of Internal Medicine, 20e: Chapter 345. Urticaria, Angioedema, and Allergic Rhinitis