Nuheart vs Heartgard Plus: Differences, Uses & Which to Choose
Choosing a monthly heartworm preventive can be confusing when two products appear to have similar names and ingredients. Nuheart and Heartgard Plus both contain ivermectin and are given monthly to help prevent heartworm disease, but they are not the same formulation. The main difference is straightforward: Nuheart contains ivermectin, while Heartgard Plus combines ivermectin with pyrantel. As a result, Heartgard Plus also treats and controls certain roundworms and hookworms, while Nuheart is focused on heartworm prevention. Here's how the two compare and what to consider when discussing the right choice for your dog with a veterinarian. Nuheart vs Heartgard Plus at a Glance Feature Nuheart Heartgard Plus Main active ingredient Ivermectin Ivermectin + pyrantel Main purpose Heartworm prevention Heartworm prevention + certain intestinal worms Form Oral tablet Oral chewable Frequency Once monthly Once monthly Minimum age 6 weeks 6 weeks Flea & tick protection No No Roundworm cov...