Cerenia
Cerenia is a prescription veterinary medication used to treat and prevent vomiting in dogs and cats. It contains the active ingredient maropitant citrate, which works by blocking substance P, a neuropeptide involved in triggering the vomiting reflex in the brain. The medication is available as both injectable and oral formulations.
A veterinary antiemetic medication for dogs and cats that treats acute vomiting and prevents motion sickness.
Key facts at a glance
- RxNorm
- 867562
- Generic
- Cerenia
- 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.
Treats acute vomiting in dogs and cats, prevents vomiting associated with motion sickness in dogs, and may be used for nausea related to various conditions including chemotherapy and vestibular disease.
Cerenia contains maropitant citrate, an NK1 (neurokinin-1) receptor antagonist that blocks substance P in the central nervous system, thereby preventing the vomiting reflex at its source in the brain's chemoreceptor trigger zone.
For veterinary use only in dogs and cats. Available by prescription. The injectable form is FDA-approved for dogs, cats, and puppies as young as 8 weeks. Consult a veterinarian for proper dosing and to ensure it's appropriate for your pet, especially if they have liver disease or are on other medications.
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