Eliminate worms in your dog - fast and easy - with a convenient dewormer you pour directly on your dog's food 3 days in a row, at least once every 6 months. Safe for puppies at least 6 weeks old, adult dogs and even pregnant females. Recommended for the removal of Roundworms (Toxocara canis, Toxascaris leonina), Hookworms (Ancylostoma caninum, Uncinaria stenocephala) Whipworms (Trichuris vulpis) and Tapeworms (Taenia pisiformis).