Broadline is a topical solution containing fipronil, (S)-Methoprene, Eprinomectin and Praziquantel. It protects your cat against both internal and external parasites in a single, easy monthly dose. This effective combination of four active ingredients controlling both external and internal parasites. Fipronil and (S)-methopreneare distributed over the skin and stored in the oils of the skin and hair coat for long-lasting effect against fleas and ticks. Eprinomectin and praziquantel are absorbed across the skin for effective control of roundworms, hookworms and tapeworms. To be used in Kittens.