tretinoin(redirected from Atralin)
Also found in: Medical.
An isomer of retinoic acid used topically to treat acne and to mitigate fine facial wrinkling and orally to treat one form of leukemia.
(Pharmacology) pharmacol a synthetic form of vitamin A used as a drug to treat certain skin conditions and a type of leukemia
tre•tin•o•in(trəˈtɪn oʊ ɪn)
a drug chemically related to vitamin A, used as a topical ointment to treat skin disorders, esp. acne.