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Atopic dermatitis (0)

Atopic dermatitis (AD) is a pruritic disease of unknown origin that usually starts in early infancy (an adult-onset variant is recognized); it is characterized by pruritus, eczematous lesions, xerosis (dry skin), and lichenification (thickening of the skin and an increase in skin markings). Atopic dermatitis may be associated with other atopic (immunoglobulin E [IgE]) diseases (eg, asthma, allergic rhinitis, urticaria, acute allergic reactions to foods).1 Atopic dermatitis has enormous morbidity, and the incidence and prevalence appear to be increasing. Other conditions with different etiologies and prognoses are often grouped under the umbrella of a diagnosis of atopic dermatitis.