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Atypical Diaper Dermatitis: Contact Allergy to Mercapto Compounds


Address correspondence to Christina Schnopp, M.D., Department of Dermatology and Allergy, Technical University Munich, Biedersteinerstr. 29, D-80802 München, or e-mail:


Abstract:  We present a case of allergic contact dermatitis in an 18-month-old boy caused by type-IV allergy to mercapto mix and mercaptobenzothiazole as components of the elastic border of diapers. Allergic contact dermatitis should be included in the differential diagnosis of diaper dermatitis, especially in difficult-to-treat cases or atypical clinical presentation.

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