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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.
Psoralen plus ultraviolet light therapy (PUVA) combines a type of medicine (psoralen) with ultraviolet A (UVA) light to treat atopic dermatitis. The psoralen makes the skin more sensitive to the ultraviolet light.PUVA can be an effective treatment for severe atopic dermatitis.An example of a psoralen is methoxsalen (Oxsoralen). A psoralen medicine is taken 1Â½ to 2 hours before exposure to UVA light.he psoralen makes the skin more sensitive to the ultraviolet light. PUVA can be an effective treatment for severe atopic dermatitis. An example of a psoralen is methoxsalen (Oxsoralen). A psoralen medicine is taken 1Â½ to 2 hours before exposure to UVA light.