$Unique_ID{BRK01179} $Pretitle{} $Title{Do Higher Body Temperatures Have a Role in Fighting Infection?} $Subject{fever infection defense infections metabolism temperatures temperature bacteria fevers reye reye's syndrome acetaminophen bacterial bacterium metabolic immune system immunity} $Volume{A-0,C-0,U-0} $Log{} Copyright (c) 1991-92,1993 Tribune Media Services, Inc. Do Higher Body Temperatures Have a Role in Fighting Infection? ------------------------------------------------------------------------------ QUESTION: When I called my doctor recently to ask for help with a high fever during a bout with a serious throat infection, he told me that the high temperatures were helping me fight the infection. I always thought a high fever was bad for you, so I don't understand what he was trying to tell me. Have you any information that can explain his comment? ------------------------------------------------------------------------------ ANSWER: The normal body temperature is considered to be 98.8 degrees Fahrenheit (37 degrees Centigrade). When it exceeds 100 F (37.8 C) orally or 100.8 F (38.2) rectal, it is considered to be a "fever". This elevation can be caused by many illnesses, but when there is an infection attacking the body, the higher temperatures do indeed have a role in fighting the invading bacteria. Bacteria thrive best at the normal body temperature, and they are slowed down by higher levels. The higher the temperature, or more pronounced the fever is, the more vulnerable the bacteria become. That makes it easier for the body's own defenses, such as the protecting white blood cells, which literally eat up the bacteria to reduce the spread of the infection and eradicate the foreign bacteria. Unless the fever becomes uncomfortably high or provokes a convulsion, it can be allowed to run its course. Fevers are generally higher in the afternoon or early evening and are higher and more frequent in children than adults. As you get older, the body reaction to infection is lessened and the level of the temperatures are also reduced. There are a few things you can do to make a fever more tolerable. Drink plenty of liquids when a fever is present. Bathing in a tub of warm water is helpful, and it is unnecessary to subject yourself to the uncomfortable experience of a cold or lukewarm sponge bath. When considering children or teenagers and infections, particularly those caused by viruses (such as chickenpox or flu) aspirin is a no-no as it can lead to a serious condition known as Reye's Syndrome. Acetaminophen, in tablet or liquid form, is preferred. Dress in light, loose fitting sleepwear, and allow the evaporation of perspiration to help make you more comfortable. Usually when intense sweating develops, the infection is just about conquered, and you are on the road to rapid recovery. ---------------- The material contained here is "FOR INFORMATION ONLY" and should not replace the counsel and advice of your personal physician. Promptly consulting your doctor is the best path to a quick and successful resolution of any medical problem.