diaper rash [ME, diapre, patterned fabric] , an erythematous, papular, or scaly eruption in the diaper area of infants, caused by irritation from feces, moisture, heat, or ammonia produced by the bacterial decomposition of urine. Secondary infection by Candida albicans is common. Principles of treatment include frequent diaper changes, dryness, cleanliness, coolness, and ventilation of the affected area. Specific topical antimicrobial medication may be prescribed for secondary infection. Also called diaper dermatitis.
