Abstract

Idiopathic cold urticaria is associated with pruritus, erythema, and swelling after exposure to a cold stimulus. In the typical case it is confined to portions of the body that have contacted the cold, such as when cold objects are touched, exposed to the wind, or in swimming. Any part of the body can react, given a suitable stimulus. In this article, we report an unusual patient with cold urticaria in which cold exposure causes hives in a localized region of the body and the ice-cube test is posit ive only in that area.

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