Potent synthetic progestogen (norethisterone derivative) that mimics progesterone by binding to progesterone receptors, suppressing LH release, preventing ovulation, and maintaining pregnancy in progestogen-dependent species.
At a glance
Class
Synthetic Progestogen
Storage
Store at room temperature; use extreme caution (human hazard — skin absorption); gloves mandatory
Dosing
Not a routine feline drug
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
Progesterone levelsUterine health (ultrasound)Blood glucose with long-term 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 Altrenogest?
Altrenogest is a synthetic progestogen used in pets. Potent synthetic progestogen (norethisterone derivative) that mimics progesterone by binding to progesterone receptors, suppressing LH release, preventing ovulation, and maintaining pregnancy in progestogen-dependent species.
›What is Altrenogest used for in pets?
Altrenogest is used in veterinary medicine for: Rarely used in dogs; Not a routine feline drug.
›What is the Altrenogest dose for dogs?
For dogs, Altrenogest is typically dosed as follows — Rarely used in dogs: undefined undefined PO q24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Altrenogest dose for cats?
For cats, Altrenogest is typically dosed as follows — Not a routine feline drug: undefined undefined PO N/A. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Altrenogest need a prescription?
Yes. Altrenogest 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) — 1
Altrenogest 2.2 mg/ml oral solution for horses
M/s Intervet India pvt ltd., · Approved 30.11.2021
In mares with significant follicular activity during the transitional period between seasonal anoestrus and the breeding
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