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What is PUVA? PUVA or photochemotherapy is a type of ultraviolet radiation treatment (phototherapy) used for severe skin diseases. PUVA is a combination treatment which consists of Psoralens (P) and then exposing the skin to UVA (long wave ultraviolet radiation). It has been available in its present form since 1976.
PUVA is one of the many treatment options for psoriasis using ultraviolet light to reduce skin thickening and sometimes resolve plaques completely. It is not a cure for psoriasis but can be very effective in managing the active stages of this skin disease. PUVA stands for Psoralen and UVA.