It is common in the Western World and is associated with a family history of asthma or hay-fever. Lesions are produced primarily by scratching. With intense scratching, the lesions develop redness, weeping, and scaling. Lesions most often occur on the neck, behind the knee, and the inside of the arm at the elbow. Individuals who suffer from atopic dermatitis must avoid factors that cause or exacerbate the condition.
Treatment usually involves topical agents such as corticosteroids , anti-infectives , or UV therapy.
Its noninflammatory counterpart is dandruff . SD is one of the skin signs associated with HIV infection. Infantile SD does not appear to cause itching. The infantile SD lesions are responsive to topical corticosteroids. SD is treated by using special shampoos and topical corticosteroids or antifungal agents.