Treatment involves giving the patients photosensitizing compounds then exposing them to ultraviolet light. Topical or oral 8-methoxypsoralen or trimethylpsoralen treatments must be repeated multiple times in order to achieve even partial repigmentation. The course of vitiligo varies. Some areas may repigment, but other new areas may appear. Depigmentation may be progressive.
Complications Depigmented areas are more likely to sunburn .
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