Noun | 1. | dermatitis - inflammation of the skin; skin becomes itchy and may develop blisters actinic dermatitis - dermatitis caused exposure to sunlight atopic dermatitis, atopic eczema - a severe form of dermatitis characterized by atopy contact dermatitis - a delayed type of allergic reaction of the skin resulting from skin contact with a specific allergen (such as poison ivy) cradle cap - a dermatitis of the scalp that is common in infants diaper dermatitis, diaper rash - dermatitis of the thighs and buttocks of infants; supposedly caused by ammonia in the urine in the child's diapers hypericism - a severe dermatitis of herbivorous domestic animals attributable to photosensitivity from eating Saint John's wort neurodermatitis - dermatitis in which localized areas (especially the forearms or back of the neck or outer part of the ankle) itch persistently; cause is unknown schistosome dermatitis, swimmer's itch - a sensitization reaction to repeated invasion of the skin by cercariae of schistosomes eczema - generic term for inflammatory conditions of the skin; particularly with vesiculation in the acute stages seborrheic dermatitis, seborrheic eczema - a chronic skin disease associated with seborrhea and greasy scales on the scalp or eyelids or other parts of the skin |