ExoticRx · exoticrx.com/drugs/oxybutynin
US brand names:Ditropan
Oxybutynin is dosed at 0.2–0.3 mg/kg PO q8-12h in dogs, per Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.996 (2026-08-01).. Verify against current literature before clinical use.
Anticholinergic and direct smooth muscle relaxant reducing detrusor muscle contractions. Increases bladder capacity and reduces urgency.
Used for detrusor hyperreflexia (overactive bladder). Anticholinergic side effects (dry mouth, constipation, urinary retention). Do not use with urinary obstruction.
Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs
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