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cholinergic urticaria

 

Definition: a form of physical or nonallergic urticaria initiated by heat (hot baths, physical exercise, pyrexia, exposure to sun or to a warm room) or by excitement; the rather distinctive lesions consist of pruritic areas 1–2 mm in diameter surrounded by bright red macules.

Synonym(s): heat urticaria

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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