Nexgard Spectra is a revolutionary new parasite prevention product which protects your dog from fleas, ticks, intestinal worms, and heartworms for a full month. Nexgard Spectra combines two active ingredients to provide complete protection against the most common internal and external parasites of dogs. Like Nexgard, Nexgard Spectra protects against fleas and ticks, but has the added benefit of protecting against roundworms, hookworms, whipworm, and heartworm. It comes as a soft, tasty beef-flavoured chew which your dog will love