Atopic Dermatitis

Atopic Dermatitis is indexed under Dermatologic, Inflammatory Skin Disease. Also known as eczema, AD.

US prevalence

7.3% of U.S. adults in the Atopic Dermatitis in America population study (~16.5 million adults; 95% CI 5.9-8.8%) Source: Silverberg et al., Ann Allergy Asthma Immunol 2018 (PMID 30389491). This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

L20, L20.9

Typical onset

Usually infancy/childhood; ~60% onset <1 year; adult-onset also recognized

Course

episodic

Body systems

dermatologic

Sex differences

Slightly more common in girls in childhood; roughly equal in adults

Racial and ethnic differences

Higher in Black children (~19.3% vs ~16.1% in white); often more severe and underrecognized in darker skin

What this page does not establish

These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.

Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.

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