Question: what is the difference between revolution and revolution plus for cats?
Answer: The difference between Revolution and Revoluion plus for cats is that Revolution for cats only contains the active Selamectin which is a member of the avermectin group of parasiticides. Revolution Plus contains the actives Selamectin and Sarolaner. ... Both Selamectin and Sarolaner will kill fleas, mites and lice.