Eczema Area and Severity Index (EASI): Scoring Severity
The EASI helps doctors measure the extent and severity of eczema symptoms. This visual assessment tracks changes in skin condition over time to support effective treatment plans.

Eczema Area and Severity Index (EASI)
The Eczema Area and Severity Index (EASI) is a standard tool used to assess the extent of atopic dermatitis. It scores four body regions based on signs like redness and thickness, helping clinicians track a patient's condition over time. It's essential for monitoring treatment success in daily practice.
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What is Eczema Area and Severity Index (EASI)
The Eczema Area and Severity Index (EASI) is a trusted tool for measuring atopic dermatitis. It helps clinicians track eczema severity. This assessment breaks the body down into four main regions: the head and neck, upper limbs, trunk, and lower limbs. It looks at each area separately to ensure a clear picture. Doctors score four specific signs on a scale from zero to three: redness, thickness, scratching, and swelling. They also estimate the percentage of skin affected in each region, combining these numbers to calculate a precise, weighted total score. It’s widely used in clinical trials and daily clinical practice because it’s consistent. The EASI score helps doctors see if a treatment is working well or if changes are needed. By using this index, healthcare teams can make better decisions about therapy and improve long-term patient outcomes.
The Eczema Area and Severity Index can be scored using a weighted calculation across four body regions. First, you rate the severity of redness, thickness, scratching, and lining on a scale from 0 to 3 for the head, trunk, arms, and legs. Next, you estimate the percentage of skin affected in each area to get a score from 0 to 6. To finish, multiply the severity sum by the area score and a specific weighting factor for each region. Add these totals together for a final EASI score ranging from 0 to 72, which helps clinicians track how well a treatment plan is working.
Advantages
Meets international clinical assessment requirements.
Measures healthcare intervention results systematically.
Provides consistent measurements for clinical research.
Develops personalised strategies based on assessment data.
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