NEXGARD SPECTRA delivers the most complete protection from fleas, ticks, heartworm and intestinal worms available, in one monthly chew. Easy to give with or without food, whichever is most convenient for you. The first flea and tick treatment to come in a tasty beef flavour, your dog will scoff it down in seconds! Keep your dog healthy and happy by protecting him from fleas, ticks, heartworm and intestinal worms.