Contains 10 % fenbendazole.

Safe and effective control of large and small strongyles, pinworms, and roundworms.
Safe for pregnant mares, stallions, and foals.
Each paste syringe will worm 1100 lbs. body weight. 

Apple-cinnamon flavor.

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(Excludes Sand-Free)

The map below indicates ground transit time via Fed Ex. All orders placed before 3:00 p.m. CST will be shipped the same day.  ALL orders placed Friday (after 3PM)/Saturday/Sunday will be shipped the following Monday.


Orders placed over the weekend (Friday after 3PM/Saturday/Sunday) will be shipped the following Monday.  All vaccines orders are shipped to be received within the same week (ie. Any order placed Wednesday (after 3 p.m. CST), Thursday or Friday to ship 2 day air, we will hold your order to ship on the following Monday).  No vaccines will be shipped on a Friday.

We strongly recommend ALL vaccine orders be shipped 2nd day or Next day air. Vaccines not shipped in this manner are non-returnable/non-refundable.  All vaccine orders are shipped in a bio-cooler with ice ice packs.  

2-DAY AIR:  $22.00
Next Day Air:  $35.00

NOTE  Express order delivery time:  Example:  2 day air (2 business days) - if your order ships on Monday, you will receive it Wednesday.  Air shipping Flat Rates apply to FedEx service only.  Vaccines are not shipped on Fridays - NO Saturday express deliveries unless requested (additional express charges will apply).

WEATHER DELAYS:  We are not able to reimburse air charges due to inclement weather that is not in our control.



Unless item is designated "FOB", or marked "Freight Charges Apply" shipping by ground service is FREE within the contiguous 48 states (Fed Ex ground or SpeeDee only).

 MVP supplements ship FREE (Exlcuding Sand Free).

If shipping to a commercial address: Your package will be delivered during the work week (Monday through Friday).

WHEN ORDERING REMEMBER $35.00 minimum order necessary for shipment.
$35.00 - $75.00 order add $6.95 handling.
ALL products marked FOB (Freight On Board) OR Freight Charges Apply - will incur a freight charge.







Intervet/Merck Animal Health


25 gram

Paste 10% (100 mg/g) Equine Dewormer


Panacur® (fenbendazole) Paste 10% contains the active anthelmintic, fenbendazole. The chemical name of fenbendazole is methyl 5-(phenylthio)-2-benzimidazole carbamate.


Each gram of Panacur® (fenbendazole) Paste 10% contains 100 mg of fenbendazole and is flavored with artificial apple-cinnamon liquid.


The antiparasitic action of Panacur® (fenbendazole) Paste 10% is believed to be due to the inhibition of energy metabolism in the parasite.


Panacur® (fenbendazole) Paste 10% is indicated for the control of large strongyles (Strongylus edentatus, S. equinus, S. vulgaris), encysted early third stage (hyobiotic), 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.

Panacur® (fenbendazole) Paste 10% is approved for use concomitantly with an approved form of trichlorfon. Trichlorfon is approved for the treatment of stomach bots (Gasterophilus spp.) in horses. Refer to the manufacturer’s label for directions for use and cautions for trichlorfon.


Side effects associated with Panacur® (fenbendazole) Paste 10% could not be established in well-controlled safety studies in horses with single doses as high as 454 mg/lb (1,000 mg/kg) and 15 consecutive daily doses of 22.7 mg/lb (50 mg/kg). Particularly with higher doses, the lethal action of fenbendazole may cause the release of antigens by the dying parasites. This phenomenon may result in either a local or systemic hypersensitive reaction. As with any drug, these reactions should be treated symptomatically.

Panacur® (fenbendazole) Paste 10% has been evaluated for safety in pregnant mares during all stages of gestation with doses as high as 11.4 mg/lb (25 mg/kg) and in stallions with doses as high as 11.4 mg/lb (25 mg/kg). No adverse effects on reproductivity were detected. The recommended dose for control of 4th stage larvae of Strongylus vulgaris, 4.6 mg/lb (10 mg/kg) daily for 5 consecutive days, has not been evaluated for safety in stallions or pregnant mares.

Internal Parasites: Regular deworming at intervals of six to eight weeks may be required due to the possibility of reinfection.

Migrating Tissue Parasites: In the case of 4th stage larvae of Strongylus vulgaris, treatment and retreatment should be based on the life cycle and the epidemiology. Treatment should be initiated in the spring and repeated in the fall after a six month interval.

Optimum Deworming Program for control of S. vulgaris: Optimum reduction of S. vulgaris infections is achieved by reducing the infectivity of the pastures. When horses are running on pasture, in temperate North America, maximum pasture infectivity occurs in October-December. If horses are removed from those pastures in January, pasture infectivity will decline to zero by July 1. Egg production of S. vulgaris is minimal from January through April, peaking in August and declining to minimal values in December.

Recommended Deworming Program:

** December 1, February 1, April 1, June 1, August 1, October 1.

The two treatments that are in bold type are the recommended periods when the 5 day treatment regimen for the control of the migrating larvae of S. vulgaris should be performed.

**For other areas in the world, retreatment periods for the migrating larvae of S. vulgaris may be different; consult with your veterinarian.

CAUTIONS: Keep this and all medications out of the reach of children.

When using Panacur® (fenbendazole) Paste 10% concomitantly with trichlorfon, refer to the manufacturer’s labels for use and cautions for trichlorfon.

WARNING: Do not use in horses intended for human consumption


Panacur® (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 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 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 syringe for each 550 lbs body weight per day.



1. Determine the weight of the


2. Remove syringe tip.

3. Turn the dial ring until the edge of the ring nearest the tip lines up with zero.

4. Depress plunger to advance paste to tip.

5. Now set the dial ring at the graduation nearest the weight of the horse (do not underdose).

6. Horse’s mouth must be free of food.

7. Insert nozzle of syringe through the interdental space and deposit the paste on the back of the tongue by depressing the plunger.



SKU:  Size Type Price Quantity
33600072 1 dose Panacur $8.95
33600084 4 dose Safeguard $31.95

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