Broad spectrum de-wormer. For medium and large dogs greater than 25 lb. Pyrantel pamoate/praziquantel. For the treatment and control of roundworms (Toxocara canis, Toxascaris leonina); hookworms (Ancylostoma Caninum, Ancylostoma braziliense, Uncinaria stenocephala); tapeworms (Dipylidium caninum, Taenia pisiformis) in dogs and puppies. Sergeant's is committed to providing high quality products. Sergeant's is committed to providing high quality products. Made in USA.