The Panacur Powerpac contains five, 57 gram syringes of Panacur. Administer one tube a day for five days for complete treatment for a 1250 pound horse. The Panacur Powerpac's active ingredient is fenbendazole highly effective at removing large strongyles, small strongyles, pinworms, and ascarids or round worms. Recommended for use if you get a new horse or twice a year.

**Always consult your veterinarian before administering any dewormers**