Soluble fiber derived from Plantago ovata seed husks that absorbs water in the GI tract, increasing fecal bulk and softening stool. Also useful for diarrhea by absorbing excess water and increasing stool consistency.
At a glance
Class
Bulk-Forming Laxative / Fiber Supplement
Storage
Store in cool, dry place — moisture degrades product
Dosing
Useful for constipation, small bowel diarrhea (fiber supplementation), and peria
Used for feline constipation and megacolon management
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 consistency and frequencyWater intake
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 Psyllium?
Psyllium is a bulk-forming laxative / fiber supplement used in pets. Soluble fiber derived from Plantago ovata seed husks that absorbs water in the GI tract, increasing fecal bulk and softening stool. Also useful for diarrhea by absorbing excess water and increasing stool consistency.
›What is Psyllium used for in pets?
Psyllium is used in veterinary medicine for: Useful for constipation, small bowel diarrhea (fiber supplementation), and peria; Used for feline constipation and megacolon management.
›What is the Psyllium dose for dogs?
For dogs, Psyllium is typically dosed as follows — Useful for constipation, small bowel diarrhea (fiber supplementation), and peria: undefined undefined PO q12–24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Psyllium dose for cats?
For cats, Psyllium is typically dosed as follows — Used for feline constipation and megacolon management: 5–20 mL PO q12–24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Psyllium need a prescription?
Psyllium 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