Comfortis Plus is a fast acting flea treatment for dogs. The flavoured tablet not only destroys fleas but also prevents heartworms and eliminates intestinal worms. The fast acting chewable works against three parasites and protects dogs against their harmful effects. The monthly flea treatment treats flea infestation and controls recurring infestation. It treats intestinal worms including hookworms, roundworms and whipworms. The oral formula eliminates immature form of heartworms and stops the development of heartworm disease. Comfortis Plus is easy to dose and highly effective chewable flea treatment for dogs.