Question: what is the best over-the-counter flea medication for cats?
Answer: Best OTC flea control product for cats overall: Bayer Advantage II. Best flea collar for cats: Seresto Flea and Tick Collar. Best flea shampoo for cats: Natural Chemistry De Flea Pet Shampoo. Best natural flea spray for cats: Jasper Flea and Tick Spray for Cats by Mdx Concepts.