Ivermectin
Iverhart is a brand-name medication containing ivermectin, an anti-parasitic agent used primarily in veterinary medicine. It is commonly prescribed for the prevention of heartworm disease and treatment of various parasitic infections in dogs and other animals.
Iverhart is a veterinary anti-parasitic medication used to prevent heartworm and treat various parasite infections in animals.
Key facts at a glance
- RxNorm
- 2205731
- Generic
- Iverhart
- 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.
Prevention of heartworm disease (Dirofilaria immitis) and treatment of internal parasites including roundworms, hookworms, and ear mites in dogs and cats. May also be used off-label for other parasitic conditions as directed by a veterinarian.
Contains ivermectin, which works by binding to glutamate-gated chloride channels in parasite nerve and muscle cells, causing paralysis and death of the parasite. The medication is effective against immature heartworm larvae (microfilaria) and various nematodes.
Should only be used under veterinary supervision. Some dog breeds (especially collies and related breeds) may be sensitive to ivermectin and require careful dosing. Regular heartworm testing is recommended before starting preventive treatment. Not for use in humans.
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