- Revolution prevents parasites in dogs and cats.dog image by Erg??n ?--zsoy from Fotolia.com
Revolution is a monthly topical medication that prevents fleas, ticks, and heartworms in dogs and cats. Applied to the skin on the base of the animal's neck, Revolution works to kill parasites on contact, before they can latch on and lay eggs. Revolution is available by prescription only from a veterinarian, and is approved for use in dogs at least six weeks old and cats at least eight weeks old.
- Selamectin is the active ingredient in Revolution. Selamectin is a semi-synthetic avermectin antiparasitic agent that kills fleas, ticks, ear mites, feline hookworms, feline roundworms. and sarcoptic mange. It also prevents heartworm. Selamectin gets into the parasites' nervous system and kills them.
- Isopropyl alcohol, also called rubbing alcohol, is an inactive ingredient in Revolution heartworm and flea preventative medication. Often used to cool and soothe wounds, isopropyl alcohol also works as a disinfectant, according to Chemical Land 21.
- Butylated hydroxytoluene (BHT) is an antioxidant additive used to prevent spoilage in food and drugs, according to the Science Encyclopedia website. The most common uses for BHT in the manufacture of synthetic plastics and rubber and as an antioxidant in animal feeds. Common food items that contain BHT include breakfast cereals, potato flakes, potato chips, sausages, candy, freeze-dried meats, and chewing gum.