Dengue fever is also known as break bone fever and is caused by a virus. Dengu is a communicable disease. You can get it if an infected mosquito bites you. Dengue is transmitted by several species of mosquito within the Aedes group. Dengue occurs in tropical areas. Sometimes dengue turns into dengue hemorrhagic fever, which causes bleeding from your nose, or under your skin. It can also become dengue shock syndrome which causes massive bleeding and shock. This is a life-threatening condition. This section covers all about dengue including – its complications, causes, treatment, symptoms, causes, risk factors, diagnosis and prevention. Also get information on what effects can dengue have on pregnant women or during pregnancy, children and tourists.