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MERCK Animal Health

MERCK ANIML Health/DURVET Panacur Powerpac Dewormr Fenbendazole 1 Pack 57 Gram Paste 10%

  • Based on 207 reviews
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Availability: In Stock.
Fulfilled by Alphaonsa LLC
Arrives Feb 28 – Mar 1
Order within 4 hours and 42 minutes
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Features

  • PANACUR POWERPAC has a high degree of efficacy against all stages of encysted (hypobiotic) small strongyles.
  • Only approved method of larvicidal treatment for encysted EL3s and L3/L4s.
  • 98% effective in killing hypobiotic encysted EL3s.
  • 96% effective against L3/L4s.
  • Highly effective against the predominant internal parasites of horses: large strongyles, small strongyles (encysted early third stage cyathostomes), late third stage and fourth stage mucosal cyathostome larvae, pinworms, ascarids and arteritis caused by fourth stage larvae of strongylus vulgaris in horses.

Description

PANACUR POWERPAC has a high degree of efficacy against all stages of encysted (hypobiotic) small strongyles.

Item Package Dimensions L x W x H: ‎10.2 x 5.39 x 4.37 inches


Package Weight: ‎0.34 Kilograms


Item Dimensions LxWxH: ‎10 x 5 x 4 inches


Item Weight: ‎0.1 Pounds


Brand Name: ‎MERCK Animal Health


Model Name: ‎Panacur Power Pac


Color: ‎White


Suggested Users: ‎unisex-adult


Number of Items: ‎1


Manufacturer: ‎IOWA VETERINARY SUPPLY CO


Part Number: ‎001-069276


Included Components: ‎6 tubes


Size: ‎One Size


Date First Available: October 5, 2007


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Feb 28 – Mar 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Worked!
Worked well and as expected
Reviewed in the United States on January 10, 2026 by Leslie C
    • Arrived quickly and in good condition.
Came faster than I expected - happy with my purchase.
Reviewed in the United States on August 25, 2025 by Linda E.
    • Fixed Pin Worms!
The stupid microscopic pin worms that live in the hinny can only be seen with microscope. My mare was itching her tail making it fuzzy. Took me trial and error to figure it out. Give dosage at weight. Don’t dispose of extra, keep giving every day until gone. Retreat in 6 months as that’s when babies hatch. Yup.. had to buy two sets. It was worth it. They’re gone, she’s comfortable and tail has grown out beautifully! ... show more
Reviewed in the United States on December 10, 2024 by milowe35
    • Great outcome-a must do for new horses
Everytime I bring in a new horse, I use this deworming program. A big, noticeable difference in just a month or two after worming. Resume normal worming schedule after that. Have purchased several thru the years & will continue to do so
Reviewed in the United States on December 3, 2024 by Dead End Ranch
    • Exactly
Good stuff
Reviewed in the United States on February 27, 2025 by Chase Causey
    • Yearly
I use this yearly and then use single doses every three months between
Reviewed in the United States on November 21, 2024 by Reader
    • Great
Great
Reviewed in the United States on January 4, 2025 by Kassie Burgess
    • Good product and price!
I have a horse and dog rescue. Often these horses come in really thin and full of worms. I bought this to effectively and safely de-worm these horses as part of our rehab process. It came with the 5 LARGE tubes, as expected. Will likely buy again next rehab case.
Reviewed in the United States on May 20, 2018 by Beverly B.

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