Used primarily as an antiparasitic agent in veterinary medicine, especially in dogs and cats. It prevents heartworm disease by eliminating the tissue stage of heartworm larvae. Also effective against various intestinal parasites such as hookworms, roundworms, and whipworms. Commonly formulated in chewable tablets for easy administration. Often combined with other active ingredients, such as praziquantel, to broaden the spectrum of parasite control. Safe for use in many breeds when given at recommended doses.