Easi Score

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Health

Easi Score is a fast, free health calculator. Enter Head/Neck Affected Area (%), Upper Extremity Affected (%) and Lower Extremity Affected (%) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser.

Formula

EASI = (0.1 × Head % + 0.3 × Upper % + 0.4 × Lower % + 0.2 × Trunk %) × Severity Score
  • EASI = Eczema Area and Severity Index
  • Range: 0 (clear) to 72 (worst)
  • Guides treatment intensity

Dermatitis Assessment

Inputs
  • Head/Neck Affected Area (%): 10 %
  • Upper Extremity Affected (%): 20 %
  • Lower Extremity Affected (%): 30 %
  • Trunk Affected Area (%): 25 %

Total affected 85% = Very Severe atopic dermatitis, likely requiring systemic therapy.

Frequently asked questions

What triggers atopic dermatitis flares?
Common triggers: stress, dry skin, irritants, allergens, temperature changes, infections.
Can EASI predict treatment response?
EASI trends help monitor response to therapy; improving scores indicate effective treatment.