Heartgard Plus Chewables - Heartworm Treatment For Dogs Heartgard Plus is a beef-flavored chewable to prevent heartworm infection in dogs. It also treats and controls preexisting hookworm and roundworm infections. Heartworms, spread by mosquitoes, can result into fatal diseases when prevented with heartworm preventives. Hence, to protect your pet from deadly diseases, Heartgard is a full proof solution. Heartgard Plus tablets treat small, medium and large sized dogs that falling under three weight ranges – 0-25 lbs, 26-50 lbs and 51-100 lbs respectively. Available in 6-dose and 12-dose packets, these palatable tablets are given as a monthly dosage. Heartgard Plus contains two potent ingredients - Ivermectin and Pyrantel. The active ingredient Ivermectin eliminates the immature form of heartworms and the other ingredient pyrantel removes hookworms and roundworms. The oral treatment when given monthly protects your dog against dangerous heartworm disease. It effectively prevents heartworm disease and can be administered monthly starting from 6 weeks old puppies. Nuheart for Dogs Nuheart - a generic heartgard is an effective heartworm treatment for dogs. Nuheart is a generic version of Heartgard with exactly the same ingredient as in Heartgard. Nuheart is a meat flavored monthly tablet that is easy to dose. It is safe to use for dogs and puppies over 6 weeks of age. Read More: Difference Between Heartgard Plus VS Generic Nuheart