To check for an infestation, you can also use a flea comb and brush your cat to see if any fleas jump out.

Fleas are small and fast, so you won’t always find them. But they do leave evidence. Read this guide to learn how to tell if your cat has fleas.

Start with your pets. Bathe them with a mild soap like Dawn dish detergent, which can drown fleas, and then use a metal flea comb to remove them. Next, tackle your home.

Comb them out. Use a flea comb, says Jean Hofve, DVM, a holistic veterinarian in Denver, and drown any fleas you comb off in soapy water. More from Prevention: Is Your Cat Driving You Crazy?

Start with your pets. Bathe them with a mild soap like Dawn dish detergent, which can drown fleas, and then use a metal flea comb to remove them.