In brief
Key points
- ✓Use comparable photos
- ✓Record new patches
- ✓Measure enlargement
- ✓Note Koebner changes
Signs of activity
New patches, enlargement, confetti-like spots or pigment loss after friction or injury can indicate activity. A clinician interprets these signs in context.
A practical photo method
Use the same room, lighting, distance, position and camera where possible. Add a date and review at sensible intervals rather than checking daily.
Editorial basis: current AWMF S2k guideline on the diagnosis and treatment of vitiligo, register 013-093, version 2.0 dated 27 July 2026. Reviewed on 2 September 2026.
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