Dog in a field in the sunset

Understanding Heartworm Disease in Dogs

Heartworm disease is a potentially fatal condition caused by a parasitic worm transmitted to dogs through mosquito bites. Monthly heartworm preventives and annual testing are key to preventing and catching heartworm infections early, which can significantly improve a dog's chances of successful treatment.

Heartworm disease is a serious and potentially life-threatening condition that can affect dogs of all breeds and ages. It is caused by a parasitic worm called Dirofilaria immitis, which is transmitted to dogs through the bite of infected mosquitoes. Once inside a dog's body, the worms can grow up to a foot long and take up residence in the heart, lungs, and blood vessels, causing a wide range of health problems.

Symptoms of heartworm disease can vary depending on the severity of the infection, but may include coughing, fatigue, weight loss, and difficulty breathing. Left untreated, the disease can lead to heart failure and even death.

Fortunately, heartworm disease is preventable with the use of monthly heartworm preventives. These medications are designed to kill any heartworm larvae that may have entered a dog's body before they have a chance to mature into adult worms. In addition to using preventives, it is important to have dogs tested for heartworm infection annually to catch and treat any infections as early as possible.

If you suspect that your dog may have heartworm disease, it is important to see a veterinarian right away. Treatment for heartworm disease can be expensive and complicated, and the earlier the disease is caught, the better the chances of a successful outcome. 

Understanding the symptoms, prevention methods, and treatment options for heartworm disease can help keep your furry friend healthy and happy for years to come.