Heartworm can cause heart and lung disease, and death if left untreated.
Mosquitoes are the carrier of heartworm from dog to dog.
Your dog only needs to be bitten by a carrier mosquito to get infected with heartworm. All dogs, whether living indoors or outdoors, are at risk of developing heartworm. Heartworm is treatable. However severe infections may cause permanent damage to the dog s heart and lungs. Dogs do not show immediate signs of heartworm infection.