urticaria
Pronunciation: ŭr′ti-kar′i-ă
Definition: An eruption of itching wheals, collquially called hives, usually of systemic origin; it may be due to a state of hypersensitivity to foods or drugs, foci of infection, physical agents (heat, cold, light, friction), or psychic stimuli.
Synonym(s): hives1, urtication2
[L. urtica]
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Examples: glitazone, GI cocktail, etc.

