Protecting Your Furry Friend: The Rising Threat of Heartworm in Oregon Pets

As a local veterinarian in Oregon, I want to raise awareness about a growing concern that affects our beloved canine companions: heartworm disease. We’ll explore what heartworm disease is, why prevention is crucial, and how you can protect your loved family member.

Understanding Heartworm Disease:

Heartworm disease is caused by a parasitic worm known as Dirofilaria immitis. These worms primarily reside in the heart and blood vessels of the lungs of infected dogs. Heartworms are transmitted through the bite of an infected mosquito. When a mosquito carrying heartworm larvae bites a dog, it transfers these microscopic larvae into the dog’s bloodstream. Over time, these larvae develop into long worms that can reach up to a foot in length and cause severe damage to the heart and lungs. Common signs include a persistent cough and lethargy. As the disease progresses, dogs may experience difficulty breathing, exercise intolerance, and even fainting. In severe cases, it can lead to heart failure, organ damage, and death.

The Rising Threat in Oregon:

In recent years, we’ve witnessed a concerning trend in Oregon – a steady increase in heartworm cases among dogs. This rise in cases is likely due to the warmer temperatures we’ve been experiencing, creating a more favorable environment for mosquitoes. These pesky insects are not just a nuisance; they are carriers of this potentially deadly disease. As mosquitoes become more prevalent, so does the risk of heartworm transmission. Other factors contributing towards Oregon’s increasing heartworm numbers include high rates of transportation of animals into Oregon, and a low population of pets on prevention.

Prevention is the Best Medicine:

The good news is that heartworm disease is preventable. Two essential steps can help protect your dog:

1. Annual Testing: First and foremost, ensure that your dog is tested for heartworm disease every year, even if they are on prevention. This simple blood test can detect the presence of heartworm larvae in the bloodstream, allowing for early intervention if necessary.

2. Year-Round Prevention: The most effective way to protect your dog is by providing them with year-round heartworm prevention. These preventive medications are safe, easy to administer, and come in various forms, such as oral tablets, topical applications, and injections. They work by killing the heartworm larvae before they develop into mature worms.

Final Thoughts:

As a responsible dog owner, it’s your duty to safeguard your furry friend from the threat of heartworm disease. Given the increasing prevalence of heartworm in Oregon, prevention has never been more critical. Don’t wait until it’s too late. Consult with your veterinarian to establish a year-round prevention plan and ensure your dog’s annual heartworm test is up to date. By taking these steps, you’re not just protecting your pet; you’re providing them with a longer, healthier life full of tail-wagging joy.

Article for Tigard Life By Dr. Saum Hadi, DVM , September 22nd, 2023