Panacur Powerpac Paste Dewormer

Item# 2510P
Was: $70.95
SALE $69.95
Qualifies for FREE standard shipping on orders over $70
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Panacur Powerpac Paste 10% by Merck. The only FDA approved treatment for all stages of encysted small strongyles in horses. Widely recognized as the best treatment option for ascarids, including ivermectin-resistant ascarids. Often recommended once a year for young horses and moderate to high egg shedders; new horses to the farm before co-mingling; before starting horses on a daily dewormer; prior to weaning foals. Extremely safe - for every horse regardless of age, size or body condition; the environment and for use around other animals.

Can be used in foals, pregnant mares, older horses, thin, underweight or miniature horses. Safe for the environment and safe around other farm animals and pets.

Product Details:

  • Contains 100 mg/gm of Fenbendazole
  • Apple-cinnamon flavored
  • One tube treats up to 1250 lb horse
  • 5 syringes in pack - each syringe is 57 gm


  • Large strongyles
  • Encysted early third stage, late third stage and forth stage cyathostome larvae
  • Small strongyles
  • Pinworms
  • Ascarids (Roundworms)
  • Arteritis caused by forth stage larvae of Strongylus vulgaris in horses.

Read manufacturers instructions for complete information regarding use and dosing.

Click here to read our deworming guide


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Customer Reviews

Average Rating:

(based on 75 reviews)

February 12, 2019
"Best prices for a great product"
Dania Beach , FL
December 25, 2018
"Best price and quick shipping. We use the powerpac on all our race horses. Wouldn’t buy from anyone else. Highly recommend this product and dealer. "
October 15, 2018
"Great wormer. Big Dee's shipping is super fast and efficient, too!"
July 16, 2018
"Big D's has the best price around on this item! "
July 12, 2018
"The vet recommended this product due to moderate strongyles from FEC. Great price and add a hoofpick and get free shipping. Arrived quick. "