Chewable flavored dog dewormer tablets. Pyrantel pamoate. For the removal of large roundworms (ascarids) (Toxocara canis; Toxacaris leonina) and hookworms (Ancylostoma caninum; Uncinaria stenocephala) in dogs and puppies. To prevent reinfection of Toxocara canis in puppies and adult dogs and in lactating bitches after whelping. Approved by FDA. For more information, call. To learn more visit www.harztultraguard.com.