Medical Definition of PUVA
: treatment for psoriasis that involves the administration of psoralen to photosensitize the skin followed by exposure to UVA radiation Clearing of psoriasis usually requires about 24 PUVA treatments, and remissions typically last from 3 to 6 months.—Robert S. Stern, The New England Journal of Medicine, 16 Aug. 2007
Origin and Etymology of puva
psoralen ultraversusiolet A
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