# oxybutynin

> English word · Noun · IPA /ˌɑk.siˈbjuː.tən.ɪn/

## Definitions
1. 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.

## Etymology
Probably from hydroxy + butynyl + -in.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/oxybutynin