Quaternary ammonium derivative of scopolamine that does not cross the blood-brain barrier. Competitively blocks muscarinic acetylcholine receptors in smooth muscle, reducing GI, urinary, and biliary spasms.
At a glance
Class
Anticholinergic / Antispasmodic
Storage
Store at room temperature, protect from light
Dosing
Used for GI spasm, biliary colic, and renal colic
Used for feline lower urinary tract spasm and GI cramping
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
Heart rateUrine outputGI motility
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 Butylscopolamine?
Butylscopolamine is a anticholinergic / antispasmodic used in pets. Quaternary ammonium derivative of scopolamine that does not cross the blood-brain barrier. Competitively blocks muscarinic acetylcholine receptors in smooth muscle, reducing GI, urinary, and biliary spasms.
›What is Butylscopolamine used for in pets?
Butylscopolamine is used in veterinary medicine for: Used for GI spasm, biliary colic, and renal colic; Used for feline lower urinary tract spasm and GI cramping.
›What is the Butylscopolamine dose for dogs?
For dogs, Butylscopolamine is typically dosed as follows — Used for GI spasm, biliary colic, and renal colic: 0.3–0.5 mg/kg IM/SQ/IV/PO q6–8h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Butylscopolamine dose for cats?
For cats, Butylscopolamine is typically dosed as follows — Used for feline lower urinary tract spasm and GI cramping: 0.1–0.3 mg/kg IM/SQ q8h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Butylscopolamine need a prescription?
Yes. Butylscopolamine 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