Give your cat rapid, long-lasting relief with Credelio for Cats. It begins killing fleas within 4 hours, removes 99% in 12 hours, and wipes out ticks within 24 - 48 hours; all in a tasty, easy-to-give tablet that also helps control FAD.

https://www.petcareclub.com/credelio-for-cats/flea-and-tick-treatment-442.aspx