SAFE-GUARD® (fenbendazole) CANINE DEWORMER is for the treatment and control of Roundworms, Hookworms, Whipworms and Taenia Tapeworms in dogs. Safe-Guard® Canine dewormer for dogs treats 4 major intestinal parasites in dogs using only one drug compound, fenbendazole, minimizing your dog’s chemical exposure. The daily dose for Safe-Guard® Canine is 50 mg/kg (22.7 mg/lb) of body weight.