Expert define having a fever as having a body temperature of 37.7 degrees Celsius and above. Even a mild fever can be uncomfortable with other symptoms like body aches, burning eyes. It is tempting to take medications to relieve your fever and bring your temperature down. However, research have found out that it is advise not to suppress a fever without knowing its cause as it may cause more harm than good. As fever is a sign of infection in the body. When having a fever, it is important to find the source and not suppress it.