Noun
oxybutynin (uncountable)
(pharmacology) An antispasmodic and anticholinergic drug C22H31NO3 administered transdermally as a skin patch or orally in the form of its hydrochloride C22H31NO3·HCl to relax the smooth muscles of the bladder in the treatment of urge incontinence, frequent urination, and urinary urgency.
Oxybutynin, (brand name Ditropan) does not cure hyperhidrosis. Source: Internet