A happy dog outdoors

How to Keep Your Adult or Mature Dog’s Heart Healthy

About 10% of all dogs develop some form of heart disease during their lifetime, and that risk increases with their age. We know you want to keep their heart healthy because they keep your heart happy. Here are some ways you can help your dog’s ticker stay in tip-top shape.



Feed a healthy diet.


A cartoonish dog with ingrediates floating above it

A healthy diet affects every part of your dog’s body, including their big loyal heart. Being overweight makes the heart work harder, so make sure they eat a healthy, nutritious diet every day. And keep those treats to a minimum — no matter how much they beg.

Make sure they get regular exercise.


A dog on a leash leading its owner

Dogs dig cardio, and it’ll do your heart good, too. Whether you both prefer fetch, running, walks, surfing, whatever ... it’s all good as long as it gets your dog’s heart pumping.

Be a heartworm-hater.


A dog hiding behind a heart badge

Heartworms are nasty — and sometimes deadly — parasites that infect dogs through mosquito bites. Like their name suggests, they live and breed in a dog’s heart, lungs and blood vessels. Fortunately, there are a number of preventive medications your dog can take to keep them safe. Check with your vet for options that work best for you and your pup.

Brush your dog’s teeth.


A dog brushing its teeth

Plaque, tartar and bacteria in your dog’s mouth can get into their bloodstream and cause heart issues. Brushing their teeth and giving occasional dental treats can help keep their smiles bright and hearts healthy.

Know the dog breeds most susceptible to heart disease.


Multiple breeds of dogs in cartoon form

Some breeds, such as Chihuahuas, miniature and toy poodles, boxers, English bulldogs and Great Danes, are more prone to heart disease. If your pet is one of these breeds, keep a watchful eye out for the signs of heart issues, and talk to your vet about possible preventive measures you can take.

Know the signs of heart disease in dogs.


A lazy cartoon dog

Some symptoms of heart disease in dogs include:

  • Frequent coughing
  • Difficulty breathing
  • Loss of energy
  • Tiring easily or not wanting to play or go for walks
  • Changes in weight
  • Trouble sleeping
  • A swollen abdomen

However, these symptoms could be indicative of many health issues, so you should consult your vet to be sure.

Go to regular vet checkups.


A cartoonish dog at the vet

One dog year is about five to seven people years, and a lot can happen in that time. Regular vet visits, especially for older dogs, can help identify problems early on so you can start treating them sooner.