Fenbendazole
Panacur is a brand-name anthelmintic (dewormer) medication primarily used in veterinary medicine to treat and control internal parasitic infections in dogs, cats, horses, and livestock. Its active ingredient, fenbendazole, is effective against various gastrointestinal parasites including roundworms, hookworms, whipworms, and certain tapeworms. This medication is commonly prescribed for routine deworming and treatment of confirmed parasitic infections in animals of various ages.
Panacur is a veterinary deworming medication containing fenbendazole used to treat and prevent internal parasite infections in pets and livestock.
Key facts at a glance
- RxNorm
- 262606
- Generic
- Panacur
- 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.
Panacur is used to treat and control gastrointestinal parasites in animals, including roundworms (Toxocara spp.), hookworms (Ancylostoma spp.), whipworms (Trichuris spp.), and some tapeworms (Taenia spp.). It is commonly used for routine deworming protocols, treatment of diagnosed parasitic infections, and in puppies and kittens as part of parasite control programs.
Fenbendazole, the active ingredient in Panacur, works by inhibiting the parasite's ability to absorb glucose and other nutrients, effectively disrupting its energy metabolism. This causes the parasite to become immobilized and die over several days. The medication has a broad spectrum of activity against multiple parasitic worm species at various life stages, including some larval forms.
Panacur is for veterinary use only and should be administered under veterinary supervision. The medication is generally well-tolerated, though side effects are rare. It is considered safe for use in puppies and kittens, pregnant animals, and working dogs. Treatment duration and dosing vary depending on the type of parasite and animal species being treated. Always follow your veterinarian's dosing instructions carefully.
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