Panacur® (Fenbendazole 10%) Horse Paste Dewormer – 25g Syringe

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Product Overview

The veterinarian’s choice for targeting the most dangerous hidden parasites, Panacur® (fenbendazole) Paste 10% is the gold-standard treatment for a truly comprehensive deworming program. While many dewormers treat adult worms, Panacur® is uniquely effective against the encysted larval stages of small strongyles—a significant and often silent threat that can cause severe colic, weight loss, and permanent intestinal damage.

This 25g syringe contains a potent, 10% concentration of fenbendazole, a trusted anthelmintic with a wide margin of safety. It is the essential tool for performing the famous Panacur PowerPac® regimen, the 5-day treatment protocol proven to eliminate parasites at every stage of their lifecycle. Protect your horse from the inside out with the proven power and reliability of Panacur®.

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Key Features & Benefits

• Targets Encysted Small Strongyles: This is the primary reason vets trust Panacur®. The 5-day “PowerPac” protocol effectively kills the encysted (hypobiotic) L3/L4 stages of small strongyles that other dewormers miss.
• Broad-Spectrum Efficacy: A single dose is effective against a wide range of parasites, including large strongyles, small strongyles (adults), and pinworms. The 5-day protocol expands this efficacy even further.
• The 5-Day PowerPac® Protocol: Panacur® is the only product approved for this larvicidal regimen. A 5-day consecutive treatment provides a purge-level deworming, cleaning out encysted strongyles and resetting your horse’s system.
• Exceptional Safety Profile: Proven safe for horses of all ages, including foals and pregnant mares. It is a gentle yet powerful choice for even the most sensitive animals.
• Easy & Palatable Administration: The apple-cinnamon flavored paste is readily accepted by most horses, and the syringe is designed for easy, accurate dosing.
• Trusted Brand Name: Panacur® is manufactured by Merck Animal Health, a global leader in veterinary medicine, ensuring the highest standards of quality and efficacy.

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Provides Comprehensive Protection Against:

• Large Strongyles: Strongylus edentatus, S. equinus, S. vulgaris
• Small Strongyles: (adults) Cyathostomum spp., Cylicocyclus spp., Cylicostephanus spp.
• Encysted Small Strongyles: (hypobiotic L3/L4 stages) when used as part of the 5-day PowerPac regimen.
• Pinworms: (adult and L4 stages) Oxyuris equi
• Ascarids / Roundworms: (adult and L2/L3 stages) Parascaris equorum

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Dosing and Administration Instructions

This syringe is calibrated to treat up to 1,100 lbs at the standard, single-dose rate.

1. For Standard Deworming (Adult Worms):

• Dose: 2.3 mg/lb (5 mg/kg) of body weight.
• Application: One 25g syringe will treat one 1,100 lb horse. Adjust the locking ring on the plunger to your horse’s weight and administer the full dose.

2. For the 5-Day Panacur PowerPac® Regimen (Encysted Larvae):

• Dose: 4.6 mg/lb (10 mg/kg) of body weight daily for 5 consecutive days. This is a double dose each day.
• Application: One 25g syringe will treat one 550 lb horse for one day at the PowerPac rate. An 1,100 lb horse will require two (2) syringes per day for 5 consecutive days (a total of 10 syringes).

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Product Specifications