🌐 Free · Evidence-based · Always available
Dermatology Tools
for Clinicians
Calculators, severity scales, diagnostic guides and classifications — built for dermatologists worldwide, free for everyone.
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Browse by disease using the A–Z menu on the left (or tap the ☰ button on mobile). Select a disease to see its available tools — calculators, severity scales and clinical guides — each clearly labelled by type.
Available now
Coming soon
PASI Score
Psoriasis Area and Severity Index with step-by-step body region input.
Scale · PsoriasisSCORAD
Severity scoring of atopic dermatitis — extent, intensity and symptoms.
Scale · Atopic DermatitisAcne Classification & Treatment
Grading system and evidence-based treatment algorithm by severity.
Guide · Acne