Heartworm disease, caused by threadworms, has various symptoms including rashes, arthritis, blindness, and elephantiasis. Diagnosis is obtained through a finger prick test and treatment involves antiparasitic medication. Side effects may occur, and surgery can relieve elephantiasis fluid buildup. Symptoms of heartworm disease include rashes, arthritis, and a form of blindness. Abdominal pain is also common. […]