Cat · Felis catus · typical adult weight 2.50–7.00 kg
Oxybutynin is dosed at 0.5–1 mg per cat PO q12h in cats, per Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.996 (2026-08-01).. Oxybutynin is used in cats for Detrusor hyperreflexia. Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Oxybutynin in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Ditropan
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.5–1 mg per cat | q12h | Variable | Detrusor hyperreflexia | Weak | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.996 (2026-08-01). |
Need the exact dose for your patient?
Enter your cat's weight to check these cited ranges in the calculator — unit and concentration math done for you.
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 cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Oxybutynin dose range in cats, with cited source references: PO 0.5–1 mg per cat q12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Oxybutynin in cats: PO.
Cited course lengths for Oxybutynin in cats include: Variable. Duration depends on the indication — match it to the specific dose rule in the table above.
Oxybutynin is indicated in cats for: Detrusor hyperreflexia.
These are general warnings for Oxybutynin across species; consult the cat 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 cats — 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.