This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.

EASI – Eczema Area and Severity Index

Four regions × area score × signs (erythema, infiltration, excoriation, lichenification), 0–72; multipliers for children under 8 years

Age
Head and neck
Erythema
Infiltration / papules
Excoriation
Lichenification
Trunk (incl. genitals)
Erythema
Infiltration / papules
Excoriation
Lichenification
Upper extremities
Erythema
Infiltration / papules
Excoriation
Lichenification
Lower extremities (incl. buttocks)
Erythema
Infiltration / papules
Excoriation
Lichenification

Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.

Frequently asked questions

EASI – Eczema Area and Severity Index: What does this calculator compute?

EASI (Hanifin 2001): per region (head/neck, trunk, upper and lower extremities) sum of the four signs (0–3) × area score (0–6) × region factor, using the factors for children under 8 years; classification according to Leshem 2015 (≤ 7 mild, 7.1–21 moderate, > 21 severe).

EASI – Eczema Area and Severity Index: Which sources is this calculator based on?

Hanifin JM, Thurston M, Omoto M, Cherill R, Tofte SJ, Graeber M; EASI Evaluator Group: The eczema area and severity index (EASI): assessment of reliability in atopic dermatitis (Exp Dermatol 10:11–18) (2001); Leshem YA, Hajar T, Hanifin JM, Simpson EL: What the Eczema Area and Severity Index score tells us about the severity of atopic dermatitis: an interpretability study (Br J Dermatol 172:1353–1357) (2015)