Asteatotic dermatitis

► Asteatotic eczema



Dry skin; xerosis; winter itch Definition

Irritation caused by lack of moisture in the skin


Physiologic process with aging; seen more often in the winter, with cold air outside and heated air inside causing a decrease in humidity

Clinical manifestation

Generalized pruritus, often worse after bathing; most common on the lower legs, arms, flanks, and thighs; may be associated with mild erythema and scaliness

Differential diagnosis

Other causes of generalized pruritus: scabies; atopic dermatitis; drug reaction; obstructive hepatobiliary disease; end-stage renal disease; polycythemia vera; Hodg-kin's disease; thyroid disease; hyperparathy-roidism; psychogenic pruritus

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