Panacur Worming Granules for Cats and Dogs is a veterinary strength granulate for the treatment and control of roundworms and tapeworms in cats, dogs, kittens and puppies. Containing the active ingredient Fenbendazole (0.22gm per 1gm), Panacur Worming Granules should be administered orally by mixing directly with your pet's feed. Also effectively treats lungworms in cats and dogs.