Fenever Pet Oral Suspension (100 mg) contains fenbendazole which is a broad-spectrum benzimidazole anthelmintic used against gastrointestinal parasites including Giardia, roundworms, hookworms, whipworms, the tapeworms against genus Taenia, Aelurostrongylus and Paragonimus that can be administered in Kittens, Puppies, and Cats.