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Definition of Diaper dermatitis
1. Noun. Dermatitis of the thighs and buttocks of infants; supposedly caused by ammonia in the urine in the child's diapers.
Medical Definition of Diaper dermatitis
1. Colloquially referred to as diaper, ammonia, or napkin rash; dermatitis of thighs and buttocks resulting from exposure to urine and faeces in infants' diapers. Formerly attributed to ammonia formation; moisture, bacterial growth, and alkalinity may all induce lesions. Synonym: ammonia rash, diaper rash, Jacquet's erythema, napkin rash. (05 Mar 2000)