PUVA

noun

ˌpē-(ˌ)yü-(ˌ)vē-ˈā 

: 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

Word History

Etymology

psoralen ultraviolet A