Dog Heartworm Symptoms

Most pet owners know that heartworm is a very serious illness that may even cause the death of their dog. That is why it is very important to be able to recognize dog heartworm symptoms when they occur in your canine.Dog heartworm symptoms are a result of mature or adult heartworm larvae that invade the heart and other major organs. They can cause irritation to the heart and blood vessel walls, causing the thickening of the blood and the blockage of the blood flow. They can even become lodged in the blood vessels of the liver, eventually causing liver damage. ...