Inhibits mitochondrial electron transport and pyrimidine biosynthesis in all intracellular stages of coccidia (schizonts, gamonts, and oocysts). Coccidiocidal — kills all life cycle stages rather than just inhibiting reproduction. Single-dose treatment effective.
At a glance
Class
Triazinone Anticoccidial
Storage
Store at room temperature below 25°C, protect from light
Dosing
Used for Cystoisospora (Isospora) coccidiosis in puppies
Frequency
Once (repeat in 7–10 days if needed)
Effective for feline coccidiosis
Frequency
Once (repeat in 7–10 days)
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
Fecal oocyst count 7–14 days post-treatmentClinical improvement (diarrhea resolution)
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 Toltrazuril?
Toltrazuril is a triazinone anticoccidial used in pets. Inhibits mitochondrial electron transport and pyrimidine biosynthesis in all intracellular stages of coccidia (schizonts, gamonts, and oocysts). Coccidiocidal — kills all life cycle stages rather than just inhibiting reproduction. Single-dose treatment effective.
›What is Toltrazuril used for in pets?
Toltrazuril is used in veterinary medicine for: Used for Cystoisospora (Isospora) coccidiosis in puppies; Effective for feline coccidiosis.
›What is the Toltrazuril dose for dogs?
For dogs, Toltrazuril is typically dosed as follows — Used for Cystoisospora (Isospora) coccidiosis in puppies: 10–30 mg/kg PO Once (repeat in 7–10 days if needed). Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Toltrazuril dose for cats?
For cats, Toltrazuril is typically dosed as follows — Effective for feline coccidiosis: 10–30 mg/kg PO Once (repeat in 7–10 days). Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Toltrazuril need a prescription?
Yes. Toltrazuril 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
CDSCO approvals (India) — 2
Toltrazuril Solution
M/s Bayer · Approved 30.04.1998
Toltrazuril 2.5% solution
M/s Bayer India Limited · Approved 08.06.2001
for treatment of coccoidiasis in poultry
Source: CDSCO Veterinary Drug Approval Registry (1969–2026)
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