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
Safety
Progesterone levelsUterine health (ultrasound)Blood glucose with long-term use
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.
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
Textbooks & handbooks
- Plumb, D.C. Plumb's Veterinary Drug Handbook. 10th ed., Wiley-Blackwell, 2023.
- Vail, D.M., Thamm, D.H., & Liptak, J.M. (eds.). Withrow & MacEwen's Small Animal Clinical Oncology. 6th ed., Saunders/Elsevier, 2020.
- Riviere, J.E., & Papich, M.G. (eds.). Veterinary Pharmacology and Therapeutics. 10th ed., Wiley-Blackwell, 2018.
- National Research Council. Nutrient Requirements of Dogs and Cats. National Academies Press, Washington DC, 2006.
- The Merck Veterinary Manual. Merck & Co., Online edition. https://www.merckvetmanual.com/
Clinical guidelines & consensus
- Fletcher, D.J., Boller, M., Brainard, B.M., et al. "RECOVER Evidence and Knowledge Gap Analysis on Veterinary CPR." Journal of Veterinary Emergency and Critical Care, 2012;22(S1):S102–S131.
- American Animal Hospital Association. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. AAHA Press.
Journals & peer-reviewed studies
- Hogan, D.F., Fox, P.R., Jacob, K., et al. "Secondary prevention of cardiogenic arterial thromboembolism in the cat: The FAT CAT study." Journal of Veterinary Cardiology, 2015;17(Suppl 1):S306–S317.
- Boswood, A., Häggström, J., Gordon, S.G., et al. "Effect of Pimobendan in Dogs with Preclinical Myxomatous Mitral Valve Disease and Cardiomegaly: The EPIC Study — A Randomized Clinical Trial." Journal of Veterinary Internal Medicine, 2016;30(6):1765–1779.
- ASPCA Animal Poison Control Center. Toxicology and Poison Management Guidelines. American Society for the Prevention of Cruelty to Animals. https://www.aspca.org/pet-care/animal-poison-control
Regulatory & approvals
- Central Drugs Standard Control Organisation (CDSCO), Government of India. Veterinary Drug Approval Registry, 1969–2026. Directorate General of Health Services. https://cdsco.gov.in/
Databases
- Washington State University, College of Veterinary Medicine. Veterinary Clinical Pharmacology Laboratory (VCPL) — MDR1 Multidrug Sensitivity Database. https://vcpl.vetmed.wsu.edu/
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.
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