March is Heartworm Awareness Month!

Updated: Aug 7, 2019

By: Catherine West, MCC Practice Manager

When we discuss heartworms, its most commonly understood this is a problem in dogs, but not widely understood this is a challenge for cats as well.

Unlike in dogs, heartworms in cats are not able to be treated. This means the prevention of heartworms in cats is of paramount importance.

Heartworms are transmitted through mosquito bites. It is a vast misconception that indoor only cats cannot get heartworms because they do not go outside. Surely there is a reduced chance of infection if the cat is indoor only, however, it is impossible to assume a mosquito could never get inside your home. It only takes one bite!

A handout from the American Association of Feline Practitioners on Heartworms

Heartworms are a disturbing sight. They can grow up to a foot in length and resemble spaghetti. While the name of the parasite suggests they live in the heart, they actually inhabit the bloodstream from the heart to the lungs, meaning this parasite can cause severe damage.

The only medicine for heartworms in cats is preventative medicine. We have three products which treat for heartworms: Advantage Multi, Revolution and Centragard. Advantage Multi and Revolution also treat for fleas and ticks. All of these products are topically applied once every twenty-eight days for prevention of parasites.

To read detailed information about heartworms in cats visit

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Metro Cat Clinic

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Hoover, Alabama 35244

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