What Is Heartworm?

Heartworm disease is a serious AND preventable illness spread through mosquito bites. Once infected, worms live in the heart, lungs, and blood vessels of affected animals, making it difficult for them to stay healthy and active.

The good news: prevention is simple, affordable, and highly effective.

Basic Facts About Heartworm

  • Heartworm is transmitted by mosquitoes

  • Dogs can be infected even if they live mostly indoors

  • Early stages often show very few symptoms

  • Prevention medication is significantly less expensive than treatment

  • Annual testing is recommended, even for pets on prevention

Common Signs of Heartworm

  • Fatigue after activity

  • Mild persistent cough

  • Weight loss

  • Difficulty exercising

  • Decreased appetite

How You Can Protect Your Pet

✔️ Keep your pet on monthly heartworm prevention
✔️ Schedule yearly veterinary testing
✔️ Stay up to date on routine veterinary care
✔️ Speak with your vet about the best prevention plan for your area

For trusted information about Heartworm prevention and treatment, visit:

By educating pet owners and expanding access to treatment, we can reduce the number of Heartworm-positive animals entering rescue care.

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