Ivermectin is usually used to control parasitic worms and mites that cause infections in people and animals, including scabies, caused by the Sarcoptes scabiei mite; head lice; mange (in animals); and other skin infections (e.g., caused by Demodex spp.). Ivermectin also controls eye and nasal discharge caused by Rosacea parasites in dogs. It works by paralyzing certain parasites so they...