Vetsupply: Nexgard and Heartgard Combo is a pet-friendly pack that treats fleas and ticks, controls heartworms and intestinal worms in dogs. Both the tablets come in beef-flavour and are easy to administer. Treatment with Nexgard and Heartgard Plus protects your dog from harmful flea and tick infestation as well as dangerous heartworm disease and intestinal worm infection.