A mosquito-borne viral disease occurring in tropical and subtropical areas. Those who become infected with the virus a second time are at a significantly greater risk of developing severe disease. Symptoms include high fever, headache, rash and muscle and joint pain. In severe cases there is serious bleeding and shock, which can be life threatening. Treatment includes fluids and pain relievers. Severe cases require hospital care. There is no specific medicine to treat dengue infection. If you think you may have dengue fever, you should use pain relievers with acetaminophen and avoid medicines with aspirin, which could worsen bleeding. You should also rest, drink plenty of fluids, and see your doctor