Quote Originally Posted by Purr-tender View Post
I buy the large dog Revolution and my vet gave me the right amount to dose my cats with. I like Revolution because it works for ear mites & internal parasites as well as the fleas and heartworm prevention. I have a huge crew and this saves me a ton of $$ and is safe for the cats.

Mary
The dog version doesn't treat Roundworms and Hookworms. If you were using the cat version for cats it would.