A positive prick test to latex
Keywords: Allergic contact urticaria, Erythematous welt, Latex allergy, Skin prick test, Type I hypersensitivity, Urticaria
Contact urticaria is an immediate but transient localised swelling and redness that occurs on the skin after direct contact with an offending substance. Contact urticaria should be distinguished from contact dermatitis where a dermatitis reaction develops hours to days after contact with the offending agent.
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