CONTACT URTICARIA

By Gary M. White, MD


Patients with contact urticaria develop wheals at sites of skin contact with any of various proteins. Ingestion of such a protein can cause otolaryngeal symptoms. Typical offenders include latex. Anaphylaxis can occur.

Clinical

Initially, an urticarial reaction at sites of contact is seen. Over time, an eczematous and/or vesicular rash may develop.

Treatment

The offending allergen must be avoided.    A dramatic reduction in the number of new cases of latex-induced contact urticaria have been caused by the use of latex-free gloves.

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