Intervet Panacur C Canine Dewormer (fenbendazole) is used for the treatment and control of Roundworms (Toxocara canis, Toxascaris leonina), Hookworms (Ancylostoma caninum, Uncinaria stenocephala), Whipworms (Trichuris vulpis), and Tapeworms (Taenia pisiformis). Control and remove roundworms, hookworms, whipworms, and Taenia tapeworms. Active ingredient is 22.2% fenbendazole, an FDA-approved wormer for dogs. Fenbendazole kills the parasite by disrupting its energy metabolism. Each treatment requires wormer be given once daily for 3 consecutive days according to specified weight. Safe for puppies 6 weeks or older and pregnant dogs. Buy Intervet Panacur C Canine Dewormer for dogs from All Pet Supply Rx and save on your order today. http://www.allpetsupplyrx.com/MEDICATIONS/Wormers/Intervet-Panacur-C-Canine-Dewormer-Three-2-Gram-Pack