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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.
play therapy see play therapy. pulp canal therapy root canal therapy. PUVA therapy [ p soralen + u ltra v iolet A ], a form of photochemotherapy for skin disorders such as psoriasis and vitiligo; oral psoralen administration is followed two hours later by exposure to ultraviolet a radiation. radiation therapy see radiation therapy.