6 Ways to Keep Your Dog’s Heart Healthy for Life

Discovering your dog has a heart condition can be alarming for any pet parent. However, heart disease in dogs doesn’t automatically mean a shortened life. Many dogs live full, happy lives with the right care and management.

Heart ailments in dogs vary greatly—from congenital defects present at birth to issues that develop as they age. Taking proactive measures is essential to protect your dog’s cardiac health, slow disease development, or manage existing heart conditions successfully.

In the United States, close to 10% of dogs develop heart disease during their lifetime, with degenerative valve diseases and dilated cardiomyopathy being the most common. Early recognition and intervention are crucial to maintaining your dog’s overall wellbeing and heart function.

Below are six trusted ways, supported by current US veterinary guidance and breed-specific considerations, to help keep your dog’s heart robust and healthy throughout their life.

1. Know Your Dog’s Breed-Specific Heart Risks

Certain cardiac conditions tend to affect particular breeds more often. For instance, mitral valve disease is prevalent in small breeds like the Cavalier King Charles Spaniel, while dilated cardiomyopathy is more common in larger breeds such as the Doberman Pinscher and Great Dane.

Understanding if your dog’s breed has genetic predispositions allows for vigilant monitoring and early veterinary screening. DNA testing and heart screenings, like echocardiograms, can help detect inherited heart issues before symptoms appear.

2. Feed a Heart-Healthy, Balanced Diet

Proper nutrition tailored to your dog’s life stage, size, and activity supports heart health. Diets rich in high-quality proteins, omega-3 fatty acids, taurine, and antioxidants help maintain healthy cardiac function and reduce inflammation.

Avoid feeding fatty or sugary treats excessively, as they may burden the heart unnecessarily. Instead, offer low-fat, nutritious treats like small pieces of apple or baby carrots as occasional rewards to support good health.

3. Control Your Dog’s Weight

Extra weight increases the risk of heart disease by straining the heart and blood vessels. Excess fat around the heart valves and arteries forces the heart to work harder pumping blood.

Maintaining a healthy weight through balanced feeding and portion control reduces this risk. Regular weigh-ins with your veterinarian can guide adjustments to your dog’s diet and exercise plan to keep their heart strong.

4. Tailor Exercise to Your Dog’s Needs

Regular physical activity strengthens the heart muscle and improves circulation. Exercise requirements differ between breeds, ages, and health status.

A mix of active play sessions, moderate-intensity cardio, and leisurely walks work best. This varied routine builds endurance, supports weight management, and promotes cardiac wellness. For example, a Labrador Retriever may enjoy jogging, while a senior Bulldog might benefit more from short, gentle strolls.

5. Guard Against Heartworm and Other Parasites

Heartworm disease, caused by the parasite Dirofilaria immitis, poses a serious threat to the heart and blood vessels if left untreated. This parasite is widespread across much of the US and requires year-round prevention.

Consult your veterinarian about heartworm preventatives such as macrocyclic lactone medications to protect your dog, especially if you live in high-risk areas or travel with your pet. Routine parasite screenings are essential since infections can cause significant heart damage.

6. Schedule Regular Visits with Your Veterinarian

Annual vet exams provide the best opportunity to identify changes in heart function early. Veterinarians listen for abnormal heart sounds like murmurs and may recommend diagnostic tests including X-rays, blood biomarkers, and echocardiograms if needed.

Thanks to advances in veterinary cardiology—including FDA-approved medications like pimobendan (VETMEDIN), improved nutritional strategies, and specialized heart surgeries—many dogs with heart disease today live longer lives with better quality.

Being a responsible dog owner means partnering with your veterinary team, keeping up with recommended check-ups, and managing your dog's lifestyle thoughtfully to protect their heart health through every stage of life.