Nexgard Spectra is an advanced protection for dogs against multiple parasites including fleas, ticks, heartworms and intestinal worms. It kills fleas and prevents flea allergy dermatitis. Nexgard Spectra is also indicated for the prevention and control of ear mites, demodectic mange (caused by Demodex spp.), sarcoptic mange (caused by Sarcoptes scabiei), and otodectic mange (caused by Otodectes cynotis). The oral chew destroys ticks including paralysis ticks, brown dog ticks and bush ticks.