top of page
Writer's pictureWest Coast Dog Mom

Myths and Misconceptions About Heartworm in Dogs

As a dog parent, you want to do everything in your power to protect your furry friend from harm. One of the most significant threats to your dog's health is heartworm disease. Heartworms are parasitic worms that live in the heart, lungs, and blood vessels of dogs. They can lead to serious health complications and even death if left untreated. Unfortunately, there are many myths and misconceptions about heartworm in dogs that can put your pet at risk.


In this blog post, we will debunk some of the most common myths about heartworm and provide you with the facts you need to keep your dog safe and healthy.


Myth - Only Dogs in Certain Areas Are at Risk of Heartworm


Many people believe that only dogs living in certain areas of the country are at risk of heartworm disease. This is a dangerous myth that can put your dog's health in jeopardy. While it is true that heartworm is more prevalent in certain regions, such as the southeastern United States, it can occur anywhere mosquitoes are present. Mosquitoes are the primary carriers of heartworm larvae, and they can be found in all of North America. Even if you live in an area with a low incidence of heartworm, your dog is still at risk if he is not protected.


The American Heartworm Society recommends that all dogs be tested for heartworm annually and be on a year-round preventive medication. Even if your dog has tested negative in the past, he should still be tested every year. It only takes one mosquito bite for your dog to become infected with heartworm, and early detection is key to successful treatment.


Additionally, if you plan to travel with your dog to a region where heartworm is more prevalent, you should take extra precautions. Talk to your veterinarian about the best preventive options for your dog, and be sure to pack enough medication for the duration of your trip.


Myth - Indoor Dogs Don't Need Heartworm Prevention


Another common myth about heartworm is that indoor dogs are not at risk of infection. This is simply not true. While indoor dogs are less likely to be bitten by mosquitoes, they are still susceptible to heartworm disease. Mosquitoes can enter your home through open windows or doors, and they can also penetrate screens.


Even if your dog never goes outside, he can still be exposed to mosquitoes that have infiltrated your home. It only takes one bite for your dog to become infected with heartworm. Additionally, if you have other pets that go outside, they can bring heartworm larvae into your home on their fur, putting your indoor dog at risk.


For these reasons, it is essential to provide your indoor dog with year-round heartworm prevention. Talk to your veterinarian about the best options for your pet, and be sure to administer the medication as directed. Skipping doses or delaying treatment can put your dog at risk of heartworm infection.


Myth - Heartworm is Easy to Detect and Treat


Finally, many people believe that heartworm is easy to detect and treat, but this is another dangerous myth. Heartworm is a serious and potentially life-threatening disease that can be challenging to diagnose and treat.


In the early stages of heartworm infection, dogs may show few or no symptoms. As the disease progresses, however, dogs may experience coughing, lethargy, and difficulty breathing. By this point, the disease has already advanced, and treatment is more challenging.


Treating heartworm disease is also expensive and can be risky. The treatment involves multiple injections of an arsenic-based medication that can cause severe side effects, including vomiting, diarrhea, and even death. Additionally, dogs that have advanced heartworm disease may need to be hospitalized during treatment, adding to the cost and stress.


The best way to protect your dog from heartworm is to prevent infection in the first place. Talk to your veterinarian about the best preventive options for your dog, and be sure to administer the medication as directed. Annual testing is also crucial for early detection, which can improve the chances of successful treatment if necessary.


Final Thoughts


Heartworm disease is a serious threat to your dog's health, and it is essential to separate fact from fiction when it comes to prevention and treatment. By debunking these common myths and misconceptions, you can take the necessary steps to protect your furry friend from heartworm and ensure a long and healthy life together.

bottom of page