Heartworm Awareness Month

In April, pet organizations nationwide work to bring attention to the prevention of Heartworm Disease during National Heartworm Awareness Month.

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What is Heartworm Disease?

Heartworm disease is a potentially fatal disease that affects dogs and cats, as well as other mammals, and it is spread by mosquitoes. When a mosquito bites an infected animal, it could carry microscopic baby worms to your healthy pet. Because mosquitoes can easily get inside your home, even exclusively indoor pets are at risk.

Dogs are a natural host for heartworms, and if not detected early, heartworms can multiply inside a dog’s heart, lungs and associated vessels until there are hundreds of worms, causing severe lung disease, heart failure and other organ damage. Symptoms of heartworm disease may not appear until the disease is advanced, and may include a persistent cough, lethargy, fatigue, decreased appetite, and weight loss.

Because cats are not natural hosts for heartworms, it is less likely that worms will reach adulthood in a cat, and if they do, they will not be as numerous as in a dog. However, even immature heartworms can cause serious health problems for cats, including respiratory disease. Signs of heartworm in cats may include coughing, loss of appetite, vomiting, or weight loss.

How is Heartworm treated?

Treatment for heartworm disease in dogs can be lengthy and expensive, which is why prevention is key. If your dog does become infected, treatment might include medications, surgery and serial blood tests.

Unfortunately, there is no approved drug therapy to treat heartworm in cats, but close veterinary care in these cases is still essential.

Prevention is the Best Treatment

Dogs and cats should be tested for heartworm at their regular veterinary visits, and your vet can prescribe monthly preventatives for you to administer to your pet. It is important to stay on top of preventative medications to avoid a gap that could leave your pet vulnerable to infection.

For more information on how to protect your pet from heartworm disease, please visit the Heartworm Society website.

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