nappy rash

(redirected from napkin rash)
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di·a·per der·ma·ti·tis

colloquially referred to as diaper rash; dermatitis of thighs and buttocks resulting from exposure to urine and feces in infants' diapers. Formerly attributed to ammonia formation; moisture, bacterial growth, and alkalinity may all induce lesions.
See also: intertrigo.
Synonym(s): diaper rash, nappy rash

nappy rash

Skin irritation in the nappy area from ammonia formed from the breakdown of urea, from irritating faeces or from thrush (CANDIDIASIS).