SKU: 99814865733

Merck SAFE-GUARD® (fenbendazole) Paste

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Description

Merck SAFE-GUARD® (fenbendazole) PasteDifferent mode of action is what makes SAFE GUARD (fenbendazole) so effective against the most dangerous parasites of the horse. Works on a wide variety of parasites Labeled for the control of large and small strongyles (including migrating larvae), pinworms and ascarids (roundworms) High degree of safety Safe for foals, pregnant mares and older horses1,3 Easy to administer A unique apple cinnamon flavor that horses readily accept1 The Mode of Action

Different mode of action is what makes SAFE-GUARD (fenbendazole) so effective against the most dangerous parasites of the horse.

  • Works on a wide variety of parasites – Labeled for the control of large and small strongyles (including migrating larvae), pinworms and ascarids (roundworms)
  • High degree of safety – Safe for foals, pregnant mares and older horses1,3
  • Easy to administer – A unique apple-cinnamon flavor that horses readily accept1

 

  • The Mode of Action of SAFE-GUARD (fenbendazole) Paste 10% is due to the inhibition of energy metabolism in the parasite2
  • Available in two sizes: 25 gram and 92 gram

 

Indications

SAFE-GUARD (fenbendazole) Paste 10% is indicated for the control of large strongyles (Strongylus edentatus, S. equinus, S. vulgaris), encysted early third stage (hypobiotic), late third stage and fourth stage cyathostome larvae, small strongyles, pinworms (Oxyuris equi), ascarids (Parascaris equorum), and arteritis caused by fourth stage larvae of Strongylus vulgaris in horses.

Administration

 

SAFE-GUARD (fenbendazole) Paste 10% is administered orally at a rate of 2.3 mg/lb (5 mg/kg) for the control of large strongyles, small strongyles, and pinworms. One 25 gram syringe will deworm a 1,100 lb horse. For foals and weanlings (less than 18 months of age) where ascarids are a common problem, the recommended dose is 4.6 mg/lb (10 mg/kg); one 25 gram syringe will deworm a 550 lb horse.

For control of encysted early third stage (hypobiotic), late third stage and fourth stage cyathostome larvae, and fourth stage larvae of Strongylus vulgaris, the recommended dose is 4.6 mg/lb (10 mg/kg) daily for 5 consecutive days; administer one 25 gram syringe for each 550 lbs body weight per day.

Consult your veterinarian for assistance in the diagnosis, treatment and control of parasitism.

 

Do not use in horses intended for human consumption. When using SAFE-GUARD (fenbendazole) Paste 10% concomitantly with trichlorfon, refer to the manufacturer’s labels for use and cautions for trichlorfon.

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SKU: 99814865733

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4.5 ★★★★★
Based on 25 reviews
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G
Verified Purchase
Gwen D.
Bozeman, US
★★★★★ 5
It's one of the only toys that we originally got for our pup that has lasted
Color: Blue goose - pineapple plush
We got a lab mix (we think with a Great Dane) on Labor Day weekend 2025. She has destroyed 100% of the toys we got her that weekend, with the exception of this duck. Yes, it is missing it's feet at this point (they got chewed off and torn sometime around Halloween), but the duck itself is still intact. She chews on the duck every day, it's one of her favorite toys, and it's seen some things. We've washed it a few times in the laundry machine, and it looks nice a clean every time we pull it out and let it dry. She's gnawed on it through losing puppy teeth and getting adult teeth, and she's is currently chewing away on her duck on her bed in the living room. I understand others have reported really mixed reviews, but I'm so glad we got this duck and it's one of the only toys we've bought that I feel like was worth the price because it didn't get destroyed immediately. We plan on buying another one for Christmas.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2025
M
Verified Purchase
mike
Bozeman, US
★★★★★ 5
It's not indestructible
Color: Blue goose - pineapple plush
Great toy , but not indestructible didn't take long at all for my dog to see the wings off
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
J
Verified Purchase
Justin
Lowell, US
★★★★★ 3
My Dog Hates It, Yours Might Like It
Color: Blue goose - pineapple plush
Material is nice, squeaker is not that great. My dog hates this toy and refuses to interact with it I've tried multiple times to get him to play with it and he'll immediately stop playing if I touch this toy and try to get him to play with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
C
Verified Purchase
Cellina Danvers
New York, US
★★★★★ 2
Not worth the purchase
Color: Blue goose - pineapple plush
Not for aggressive chewers, my GWP destroyed this in 30 mins. The fins are completely gone and he’s already disinterested. There are better options out there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
K
Verified Purchase
Kindle CustomerJoanne
Pawtucket, US
★★★★★ 4
He loved the toy
Color: Blue goose - pineapple plush, Color: Blue goose - pineapple plush
My dog loved this toy, however it is not indestructible, he had it in 2 pieces within a day, but I do need to say he is a big boy and we haven’t found a toy yet that he can’t destroy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026

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