Veterinarian Prescription (Rx) Required
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Heartgard Chewables for Dogs is a powerful protection from heartworm. Tasty Heartgard chewables for dogs prevent heartworm infection for a full month.
Prescription Heartgard chewables contain the highly effective active ingredient Ivermectin that prevents heartworm infection by killing the parasite at the larval stage. By giving your dog a chewable once a month on the same day you will have peace of mind knowing that your dog is protected from dangerous heartworm.
Highly effective in preventing heartworms
A convenient and tasty chewable for easy administration
Delicious beef flavor that most dogs will eat
Heartgard prevents heartworm disease by eliminating the tissue stage of heartworm larvae for a month after infection.