Photosensitive Dermatitis from Soaps

Abstract
Antibacterial soaps containing halogenated salicylanilides cause photosensitive skin eruptions that can be reproduced by a simplified photopatch testing technic. Twelve patients with photosensitive reactions due to soaps had positive tests to either dibromosalicylanilide or tribromosalicylanilide, or a soap solution containing these substances, but tests were negative if soap solutions free of halogenated salicylanilides were used. Of 21 patients with other dermatologic disease only one had a positive test to halogenated salicylanilides. Comparative photopatch tests in sensitive patients with a series of halogenated salicylanilides in current use showed no significant difference in the number of positive reactions to the several agents tested.

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