SENTRY HC WORM X PLUS 7 Way De-Wormer for Puppies & Small Dogs treats and controls seven species of worms: two tapeworms (Dipylidium caninum and Taenia pisiformis), two roundworms (Toxocara canis and Toxascaris leonina) and three hookworms (Ancylostoma caninum, Ancylostoma braziliense and Uncinaria stenocephala). It contains two active ingredients found in veterinary brands: pyrantel pamoate and praziquantel. This broad spectrum de-wormer comes in chewable tablets, making it easy and convenient to give to your dog. Intended for puppies and small dogs weighing 6 to 25 lbs.