Synthetic quaternary ammonium antimuscarinic that blocks muscarinic receptors in smooth muscle, reducing GI motility and urinary bladder detrusor contractions. Does not cross BBB (quaternary structure — no CNS effects).
At a glance
Class
Quaternary Ammonium Anticholinergic / Antispasmodic
Storage
Store at room temperature below 30°C
Dosing
Used for urge urinary incontinence (detrusor hyperreflexia), GI spasm, and irrit
Used for feline detrusor instability
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet.
Find a vet near you →Safety
Urinary frequency/incontinenceUrine output (retention)GI motilityHeart rate
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet.
Find a vet near you →Interactions
No documented interactions.
FAQs
Frequently asked questions
›What is Propantheline?
Propantheline is a quaternary ammonium anticholinergic / antispasmodic used in pets. Synthetic quaternary ammonium antimuscarinic that blocks muscarinic receptors in smooth muscle, reducing GI motility and urinary bladder detrusor contractions. Does not cross BBB (quaternary structure — no CNS effects).
›What is Propantheline used for in pets?
Propantheline is used in veterinary medicine for: Used for urge urinary incontinence (detrusor hyperreflexia), GI spasm, and irrit; Used for feline detrusor instability.
›What is the Propantheline dose for dogs?
For dogs, Propantheline is typically dosed as follows — Used for urge urinary incontinence (detrusor hyperreflexia), GI spasm, and irrit: 0.25–0.5 mg/kg PO q8–12h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Propantheline dose for cats?
For cats, Propantheline is typically dosed as follows — Used for feline detrusor instability: undefined undefined PO q72h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Propantheline need a prescription?
Yes. Propantheline is a prescription medication and should only be administered under veterinary supervision.
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet.
Find a vet near you →References
References
The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.
Textbooks & handbooks — 5
- Plumb's Veterinary Drug Handbook
- Withrow & MacEwen's Small Animal Clinical Oncology
- Merck Veterinary Manual
- NRC Nutrient Requirements of Dogs and Cats
- Veterinary Pharmacology and Therapeutics (Riviere & Papich)
Clinical guidelines & consensus — 4
- ASPCA Animal Poison Control Center Guidelines
- AAHA Diabetes Management Guidelines
- ASPCA Poison Control Guidelines
- RECOVER CPR Guidelines
Journals & peer-reviewed studies — 2
- EPIC Study (J Vet Intern Med 2016)
- JVIM FAT CAT Study
Regulatory & approvals — 1
- CDSCO Veterinary Drug Approval Registry (1969–2026)
Databases — 1
- Washington State University VCPL MDR1 Database