NexGard Chewables for Dogs is a new age formula for killing fleas and ticks. It is a manufacturer by Merial / Boehringer Ingelheim. This specially formulated chews from the makers of Frontline contains all-new ingredient - Afoxolaner - never used before in any other preventive. NexGard kills and controls adult fleas and 3 different kinds of ticks – the American dog tick, the Lone star tick and deer tick. NexGard can be given to any breed of dogs as well as puppies 8 weeks of age and older, weighing 4 pounds of bodyweight or greater.