Selamectin, the active ingredient in Revolution, proved an effective treatment against ear mites according to a 2003 study in the journal Veterinary Parasitology.
Topicals - The most common topical heartworm preventative medication is Selamectin, which is used to protect your pet from heartworms as well as fleas and ticks.
The active ingredient in Revolution heartworm for dogs is a product called selamectin.
A specific bacterium that lives in the soil produces a sugar by-product that is used to create selamectin.
Selamectin is among a family of vermicedes and kills the heartworm by disrupting its nervous system.