Checking body temperature tells you or the person checking it multiple things. Besides being hot of course the most common cause for elevated body temperature is an infection in your body. If you have a temperature ... Which would lead most to believe you have an infection ... It is important to let a doctor figure out why you have an infection and get it treated. Infections untreated can lead to very bad illness and even death.. So if you feel feverish .. Drink a lot of liquids take some tylenol if you are able to and see if that drives your temperature down ... If not its doctor visit time 8)