Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
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).. Oxybutynin is used in dogs for Detrusor hyperreflexia. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Oxybutynin in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Ditropan
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.2–0.3 mg/kg | q8-12h | Variable | Detrusor hyperreflexia | Moderate | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.996 (2026-08-01). |
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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-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Oxybutynin dose range in dogs, with cited source references: PO 0.2–0.3 mg/kg q8-12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Oxybutynin in dogs: PO.
Cited course lengths for Oxybutynin in dogs include: Variable. Duration depends on the indication — match it to the specific dose rule in the table above.
Oxybutynin is indicated in dogs for: Detrusor hyperreflexia.
These are general warnings for Oxybutynin across species; consult the dog dosing table above for species-specific guidance. Used for detrusor hyperreflexia (overactive bladder). Anticholinergic side effects (dry mouth, constipation, urinary retention). Do not use with urinary obstruction.
Why a species-specific page? Oxybutynin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dogs — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.