Chorionic Gonadotropin
Chorulon is a brand-name veterinary medication containing human chorionic gonadotropin (hCG), primarily used in horses to induce ovulation in mares during breeding programs. It may also be used in male horses for certain reproductive conditions. This medication is available only by prescription from a licensed veterinarian.
Chorulon is a veterinary hormone medication used mainly in horses to stimulate ovulation for breeding purposes.
Key facts at a glance
- RxNorm
- 1593273
- Generic
- Chorulon
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Chorulon is primarily used in mares (female horses) to induce ovulation during artificial insemination or natural breeding programs. It may also be prescribed for certain reproductive conditions in male horses.
Chorulon contains human chorionic gonadotropin (hCG), a hormone that mimics luteinizing hormone (LH). In mares, it stimulates the ovarian follicle to release an egg. In male horses, it may stimulate testosterone production.
Chorulon is a prescription-only veterinary medication that should only be administered under the supervision of a licensed veterinarian. Proper timing of administration relative to breeding is critical for effectiveness. Dosage and administration should follow veterinary guidance specific to the individual animal.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy