Answer
Oxybutynin hydrochloride relaxes the bladder detrusor muscle through direct antispasmodic action and anticholinergic action that blocks the muscarinic effects of acetylcholine on smooth muscle.
Sources for this answer
- Oxybutynin hydrochloride 5mg/5ml Oral SolutionSyriMed · emc · SmPC §5.1 Pharmacodynamic properties · Version 7Document updated
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