LIVISTO brand Aniprazol 50/500 (praziquantel & fenbendazole) is a veterinary medication designed to treat mixed infestations of roundworms and tapeworms in dogs and cats. Each tablet contains 50 mg of praziquantel and 500 mg of fenbendazole. Administered orally, with the dosage based on the pet's body weight. An EU Authorised medicine.