Heartworm is a disease in which parasitic worms of the species Dirofilaria immitis infest the heart and associated blood vessels. Dogs and wild canines are the normal host for this parasite, but cats can also be carriers.

Heartworm is a potentially deadly disease where parasitic worms of the species Dirofilaria immitis inhabit the heart and associated blood vessels. Luckily, it is easily preventable with monthly tablets, chews or topical liquids.

Heartworm in dogs is potentially a deadly parasitic disease in which worms of the species Dirofilaria immitis infest the heart and associated blood vessels. Luckily, it is easily preventable with monthly tablets, chews or topical liquids.

Heartworm in dogs is a potentially deadly disease, where parasitic worms of the species Dirofilaria immitis infest the heart and associated blood vessels. Luckily, it is also an easily preventable with monthly tablets, chews or topical liquids.

Heartworm is a potentially deadly disease in which parasitic worms of the species Dirofilaria immitis colonise the heart and associated blood vessels. Luckily, it is an easily preventable disease.

Heartworm is a disease which can easily kill your pet. Animals suffering from it can have worms the size of spaghetti living in their hearts and surrounding blood vessels, and at the very least can become very ill.

Heartworm is a potentially deadly disease in dogs which can be easily prevented by daily, monthly or six-monthly preventative treatments. These are available in a wide range of formulations, including tablets, chewable treats, topical applications and injections. There is something to suit every lifestyle and budget.

Heartworm is a serious and potentially fatal disease in dogs caused by parasitic worms blocking the heart and associated blood vessels. It is easily preventable by administering one of a number of medications.

Heartworms have been recorded in dogs in every US state. As the name suggests, it is a disease in which parasitic worms inhabit the heart and surrounding blood vessels of affected dogs.

Heartworm is a parasitic disease spread by mosquitoes. It involves worms living in the blood vessels around the heart and can be potentially fatal in affected animals.