What is dermatitis?

Dermatitis is inflammation of the skin.
allergic contact d. Localized dermatitis characterized by a sharply demarcated area of redness and itchiness, often with an eruption of blisters; results from contact with any of a variety of natural or manufactured substances to which the skin has already been exposed and sensitized.
atopic d. Dermatitis usually seen in people susceptible to asthma and hay fever; lesions occur predominantly in front of the elbows and behind the knee.
chemical d. Dermatitis produced by contact with chemicals.
contact d. Cutaneous reaction caused by direct contact with a substance to which the person is hypersensitive.
d. exfoliativa infantum, d. exfoliativa neonatorum A pustular dermatitis with abundant flaking and red coloration of the skin accompanied by fever, malaise, and occasionally gastrointestinal symptoms; it affects young infants and is frequently fatal.
exfoliative d. Generalized exfoliation, redness, and severe scaling of the skin with constitutional symptoms.
d. herpetiformis Chronic disorder marked by an eruption of itchy burning clusters of vesicles and papules occurring mostly on the forearms and abdomen.
rhus d. A delayed hypersensitivity reaction marked by an eruption of weeping, crusting vesicles; caused by contact with urushiol from species of the genus Rhus.
seborrheic d. A condition of unknown cause with a predilection for the scalp but also seen on the eyebrows, behind the ears, the chest, back, and pubic area; characterized by varying degrees of redness, scaling, and sometimes itching. Commonly known in its mild
form as dandruff; seborrhea.
solar d. Dermatitis produced in persons allergic to the sun’s rays.
stasis d. Dermatitis occurring usually on the lower legs in association with varicose
veins.

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