PetArmor helps you confidently care for your dogs especially when it comes to roundworms, tapeworms, and hookworms. PetArmor 7 Way Dewormer conveniently provides vet-quality protection without the expense of a vet visit. It removes 7 species of worms: 2 tapeworms (Dipylidium caninum and Taenia pisiformis), 2 roundworms (Toxocara canis and Toxascaris leonina), and 3 hookworms (Ancylostoma caninum, Ancylostoma braziliense, and Uncinaria stenocephala). Plus, this canine dewormer is simple to give by hand, with your dog's food, or wrapped in a treat. Whichever way you choose, your pup will love the taste.Each box of PetArmor 7 Way De-Wormer contains 2 tablets and kills and prevents tapeworms, roundworms and hookworms. Tapeworms - Dipylidium Caninum- The most common tapeworm, Taenia Pisiformis; Roundworms - Toxacara Canis, Toxascaris Leonina; Hookworms - Ancylostoma Caninum, Ancylostoma Braziliense, Uncinaria Stenocephala. Tasty chewable. Treats large dogs, item covers both Medium and Large dogs greater than 25 pounds.