Diphenylmethane derivative converted by colonic bacteria to its active form, which directly stimulates myenteric plexus nerve endings, increasing colonic peristalsis and promoting fluid and electrolyte secretion into the lumen.
At a glance
Storage
Store at room temperature below 25°C, protect from humidity
Dosing
Used for constipation and pre-endoscopy bowel prep (with other cathartics)
Frequency
Once; may repeat in 12–24h if needed
Used for constipation and obstipation
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
Stool frequency and consistencyHydration statusElectrolytes with repeated use
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 Bisacodyl?
Bisacodyl is a stimulant laxative used in pets. Diphenylmethane derivative converted by colonic bacteria to its active form, which directly stimulates myenteric plexus nerve endings, increasing colonic peristalsis and promoting fluid and electrolyte secretion into the lumen.
›What is Bisacodyl used for in pets?
Bisacodyl is used in veterinary medicine for: Used for constipation and pre-endoscopy bowel prep (with other cathartics); Used for constipation and obstipation.
›What is the Bisacodyl dose for dogs?
For dogs, Bisacodyl is typically dosed as follows — Used for constipation and pre-endoscopy bowel prep (with other cathartics): 5–20 mg/dog PO/Rectal Once; may repeat in 12–24h if needed. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Bisacodyl dose for cats?
For cats, Bisacodyl is typically dosed as follows — Used for constipation and obstipation: undefined undefined PO/Rectal Once. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Bisacodyl need a prescription?
Bisacodyl is available over the counter. Even so, you should consult your veterinarian before giving any medication to your pet.
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