Revolution is a used to protect your dog or cat from heartworms, fleas, and ear mites and also for prevention of fleas, the American Dog Tick, ear mites, and canine sarcoptic mange and when used on cats it is also used to prevent fleas, ear mites, hookworms, and roundworms. dogs (6 weeks of age or older and no weight requirement). Revolution fights both internal and surface parasitic infections. Revolution also treats Sarcoptic mange in dogs and controls ear mites.