Urticaria: Diagnosis and Management.

Bass, Maya; Atkinson, Lori; Shenker, Bennett S · Prim Care · 2025

Level V

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Abstract

Urticaria is a common dermatologic condition that affects about 20% of the population. It is caused by the release of histamines in response to a trigger. It is subdivided into acute urticaria and chronic urticaria (urticaria lasting more than 6 weeks). First-line treatment is second-generation H1-antihistamines and avoidance of known triggers. Long-term prevention also focuses on minimizing exposure to triggers including hot water, nonsteroidal anti-inflammatory drugs, tight clothing, and known allergens.

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