Panacur C (Fenbendazole) is used to treat hookworms, roundworms, tapeworms, and whipworms in dogs. It is FDA approved and used by veterinarians to treat other parasites as well. It is available as 1 gram, 2 gram, and 4 gram powder packets. The usual dose is one packet, based on weight, given once a day for 3 consecutive days. The medication can be mixed with a small amount of the animal's usual food. Dry dog food may require slight moistening to allow for proper mixing. Medicated food must be fully consumed to be effective. Drug Facts For: All Dogs (6 weeks and older) Active ingredients (in each dosage unit): Fenbendazole Granules 22.2% (222 mg/g) Parasites Treated: Roundworms (Toxocara canis, Toxascaris leonina) Hookworms (Ancylostoma caninum, Uncinaria stenocephala) Whipworms (Trichuris vulpis) Tapeworms (Taenia pisiformis) Human Warning: Keep this and all medication out of the reach of children. Adverse Reactions: In US clinical studies 3 of 240 dogs (about 1%) had vomiting associated with use of the product. GTIN-12 (UPC): 0 21784 47011 7GTIN-14: 00021784470117 Safe-Guard includes Fenbendazole the same active ingredient as Panacur-C Panacur C: Canine Dewormer is a registered trademark of Intervet Inc., d/b/a Merck Animal Health, a subsidiary of Merck & Co. Inc.