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Panacur Horse & Cattle Dewormer Suspension is a broad-spectrum anthelmintic (dewormer) specifically formulated to treat and control a variety of internal parasites in horses and cattle. This easy-to-administer oral suspension targets strongyles, roundworms, lungworms, and other parasitic infections, helping to protect the overall health, growth, and performance of livestock.
The active ingredient, fenbendazole, works by disrupting the parasites' ability to absorb glucose, ultimately causing energy depletion and death. Its proven efficacy and safety make it a trusted choice among veterinarians and livestock owners. Panacur's convenient liquid formulation simplifies dosing for both small and large herds, offering reliable parasite control with every treatment.
Panacur Suspension works by interfering with the energy metabolism of parasites. Fenbendazole inhibits glucose uptake in parasites, causing energy depletion and eventual elimination through the animal's natural waste processes.
Indicated for the treatment and control of lungworms, stomach worms, intestinal worms, and tapeworms in cattle, as well as large strongyles, small strongyles, pinworms, and roundworms in horses. Ideal for regular parasite prevention and treatment programs.
Panacur is a registered trademark of Intervet Inc., d/b/a Merck Animal Health, a subsidiary of Merck & Co., Inc.
Active Ingredient: Fenbendazole 10% (100mg/mL).
Inactive Ingredients: Methylparaben, propylparaben, silicon dioxide, carboxymethylcellulose sodium, povidone, trisodium citrate dihydrate, citric acid monohydrate, water.
View Panacur Suspension Product Label (PDF)
Standard Dose (5 mg/kg or 2.3 mg/lb): For the control of large strongyles (Strongylus edentatus, S. equinus, S. vulgaris, Triodontophorus spp.), small strongyles (Cyathostomum spp., Cylicocyclus spp., Cylicostephanus spp., Cylicodontophorus spp.), and pinworms (Oxyuris equi).
Example Dose: 2.3 mL per 100 lb body weight; 23 mL per 1000 lb body weight.
Double Dose (10 mg/kg or 4.6 mg/lb): For the control of ascarids (Parascaris equorum).
Example Dose: 2.3 mL per 50 lb; 23 mL per 500 lb.
Standard Dose (5 mg/kg or 2.3 mg/lb): For the treatment and control of:
Note: Do not use the 10 mg/kg dosage in dairy cattle.
Example Doses for Horses & Cattle:
Dose (5 mg/kg) | Dose (10 mg/kg) | Animal Weight |
---|---|---|
2.3 mL | 4.6 mL | 100 lb |
4.6 mL | 9.2 mL | 200 lb |
6.9 mL | 13.8 mL | 300 lb |
9.2 mL | 18.4 mL | 400 lb |
11.5 mL | 23.0 mL | 500 lb |
23.0 mL | 46.0 mL | 1,000 lb |
34.5 mL | 69.0 mL | 1,500 lb |
Estimate body weight to determine the correct dose. Administer orally using a suitable dosing syringe or stomach tube. For dairy cattle, there is no milk withdrawal period at the 5 mg/kg dose. For horses, regular deworming every 6–8 weeks may be necessary. Under continuous parasite exposure, retreatment after 4–6 weeks is recommended.
Panacur Suspension can also be used with approved trichlorfon formulations for additional parasite control (e.g., stomach bots in horses).
Federal law restricts this drug to use by or on the order of a licensed veterinarian. Keep this and all medications out of reach of children.
Have your veterinarian explain the other treatment options that may be available to treat your pet's condition.
Some intestinal parasites, such as hookworms and roundworms can be spread to people. Talk to your veterinarian about other measures you can take to prevent your pet from being infected with intestinal worms, and protecting yourself.
Notify your veterinarian of any other medications or supplements your pet is receiving. Also tell your veterinarian if your pet has had any reactions to previous medications.
Rare. May see vomiting.
If your pet experiences an allergic reaction to the medication or has a reaction to the dying parasites, signs may include facial swelling, hives, scratching, sudden onset of diarrhea, vomiting, shock, seizures, pale gums, cold limbs, or coma. If you observe any of these signs, contact your veterinarian immediately.