Petstock logo
HomeRight caret
BlogRight caret
Article Featured Image
February 2024

Heartworm: Symptoms, Treatment & Prevention


Dog heartworm is a parasite that lives in the heart and lungs of dogs and is spread by mosquitoes. This disease is usually fatal without treatment and contrary to popular belief, is present Australia wide. It is vital to protect your dog against heartworm.

How Do I Prevent My Dog From Getting Heartworm?

Prevention comes in the form of:

  • Yearly injections
  • Monthly tablets, chewables and spot-ons
  • We recommend that a heartworm detection test is carried out prior to treatment if your dog is over six months of age.

What Are The Symptoms Of Heartworm In Dogs?

The most common symptoms of heartworm in dogs are coughing and an intolerance to exercise. If your dog is showing either of these signs it is best to chat with your vet.

Hot Tip

Most 'all wormers' do not prevent heartworm.

How To Treat Heartworm

Treatment for heartworm depends on the severity of the infection as well as the health of your pet. The only treatment is veterinary pharmaceutical treatment so it is best you chat with your vet for advice. As they say, prevention is better than cure so ensure your dog is protected from an early age.