Nemex Tabs For Large Dogs are Canine Anthelmintic Tablets for the removal of ascarids, and hookworms in dogs and puppies. Also helps to prevent reinfection of ascarids like Teoxocara Canis (T. canis) and Teoxascaris Leonina in puppies, adult dogs, and female dogs secreting or producing milk after giving birth. Directions: For the Removal of large round-worms (ascarids) and hookworms, give 1 tablet for each 50 lb of body weight. Tablets may be broken in half to provide 1/2 tablet for 25lb of body weight. Presense of parasites should be confirmed by a laboratory fecal examination. Active Ingredient Pyrantel Pamoate