Oxybutynin

Category: pharmacological

Aliases: Ditropan

Pharmacological Mechanism

Anticholinergic + direct antispasmodic — competitive M3 muscarinic antagonist on detrusor + spasmolytic on bladder smooth muscle. First-line for overactive bladder. Anticholinergic burden — Beers-list problematic in elderly (cognitive impairment + dementia signal at chronic exposure).

Half-Life (t½)

PO: 2h, TD: 7.5h

Dosing Guidelines

Target Organ Systems