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urticaria multiforme
Etiology:
- may be triggered by viral infection
Clinical manifestations:
case report of 3 yo girl [1]
- pruritus & urticaria may develop into
- generalized annular rash with wheals & central ecchymosis
- blanching urticaria
- dermographism
- low-grade fever
- edema of hands, feet, & face
- mucosa not involved
Laboratory:
- complete blood count (CBC), urinalysis, basic metabolic panel unremarkable
Differential diagnosis:
- erythema multiforme
Management:
- dephenhydramine [1]
General
urticaria (hives)
References
- Kotlyar S (images)
Images in Clinical Medicine: Urticaria Multiforme.
N Engl J Med 2016; 375:470. August 4, 2016
PMID: 27518665
http://www.nejm.org/doi/full/10.1056/NEJMicm1508654