Panacur Powerpac

Merck Animal Health


The Panacur Powerpac by Merck is a horse dewormer designed to be administered over a 5 consecutive day period. This product is to be used as an oral treatment for horses, foals, and ponies for the control of large strongyles, small strongyles, pinworms, and ascarids. Includes apple-cinnamon flavoring for a more palatable taste.


  • Safe to use on all ages and breeds of horses
  • Easy to administer tube design
  • Apple-cinnamon flavor


Determine the weight of the horse, then use the dial ring to the graduation nearest the weight of the horse (do not under-dose). Make sure the horse's mouth is clear of food, insert the syringe into the mouth and deposit the paste on the back of the tongue by depressing the plunger.


FarmVet Tip:
The Panacur Powerpac is designed to be given on 5 consecutive days to one horse with a weight up to 1,250lbs. Refer to the carton for dosage and full directions for use. Safe for use in horses including pregnant mares and very young foals. 


Keep out of reach of children.


Each syringe contains 5.7g of fenbendazole.

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