Generic Heartgard for dogs uses the active constituent Ivermectin to prevent heartworm disease in dogs. Generic Heartgard, also known as Nuheart is a monthly tablet for the prevention of heartworm. You can use Generic Heartgard on puppies from 6 weeks of age.
We offer 6 month and 12 month packets of Nuheart. Packets come in sizes for small, medium and large dogs.