Epsiprantel (trade name Cestex) is a veterinary drug which is used as an anthelmintic against tapeworms such as Echinococcus granulosus. Epsiprantel (trade name Cestex) is a veterinary drug which is used as an anthelmintic against tapeworms such as Echinococcus granulosus. It is indicated for the removal of cestodes (tapeworms) in cats (Dipylidium caninum and Taenia taeniaeformis) and dogs (Dipylidium caninum and Taenia pisiformis) 7 weeks of age and older.