A specific bacterium that lives in the soil produces a sugar by-product that is used to create selamectin.
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Selamectin is among a family of vermicedes and kills the heartworm by disrupting its nervous system.
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Selamectin, the active ingredient in Revolution, proved an effective treatment against ear mites according to a 2003 study in the journal Veterinary Parasitology.
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The active ingredient in Revolution heartworm for dogs is a product called selamectin.
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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.