Did you know that heartworms have been diagnosed in dogs in all 50 states of the U.S.? Because of this, it is safe to assume that all dogs including the Chow Chow are at risk for contracting heartworm disease. Heartworms are easily transmitted through infected mosquitoes and can affect a dog of any breed, sex or age. The heartworm is a foot-long worms that are capable of invading the heart, lungs and blood vessels of your dog. Common symptoms of heartworm disease may include a persistent cough, reluctance to exercise, fatigue, decreased appetite and weight loss. The longer your dog is sick the more severe the symptoms will become. Swollen abdomen and heart failure are also signs of the disease. Your Chow Chow should be tested annually for the presence of heartworms. He should also be on a monthly prevention medication to protect him against heartworms. For more information, call your veterinarian care Salem, VA.