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Article
June 1972

Allergic Reaction to BenzophenoneSimultaneous Occurrence of Urticarial and Contact Sensitivities

Author Affiliations

New York

From the Department of Dermatology, New York University School of Medicine.

Arch Dermatol. 1972;105(6):906-908. doi:10.1001/archderm.1972.01620090076017
Abstract

A black man with a broad-spectrum light sensitivity simultaneously showed an urticarial and contact sensitivity to a preparation containing 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid (sulisobenzone). Both the benzophenone and sulfonic acid parts of the molecule were required for elicitation of the contact reaction, while benzophenone alone elicited the urticarial reaction.

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