Nexgard Spectra for Dogs Highly effective flea treatment for dogs Provides tick control for a full month against paralysis ticks, bush ticks, and brown dog ticks Controls ear mites on dogs as well as demodectic and sarcoptic mange Prevents heartworm disease in dogs Effective worm treatment for dogs: roundworms, hookworms, and whipworms Veterinarian recommended Nexgard Spectra 6 Pack Sort By Default Title - A to Z Title - Z to A Price - lowest first Price - highest first Time Added - latest first Popularity - most popular first Sales - best selling first Nexgard Spectra Very Small Dogs 2 - 3.5 kg Orange - 6 pack $78.95 Nexgard Spectra Small Dogs 3.6 - 7.5 kg Yellow - 6 pack $79.95 Nexgard Spectra Medium Dogs 7.6 - 15 kg Green - 6 pack $85.95 Nexgard Spectra Large Dogs 15.1 - 30 kg Purple - 6 pack $93.95 Nexgard Spectra Extra Large Dogs 30.1 - 60 kg Red - 6 pack $97.95