Information About Fever

A person with a fever has an abnormally elevated body temperature. A fever is usually defined as an oral temperature that is over 100.4 degrees F (38 C). Fever can be caused by infections and a variety of conditions that cause inflammation. Most cases of fever are due to viral or bacterial infections. Fever is of great concern in those with a poorly functioning immune system, because the body is unable to fight infections normally.
Symptoms depend on the underlying cause for the fever. Symptoms that commonly occur with fever include excessive sweating, chills, and headache. Additional symptoms that occur with fever include body aches, muscle aches, weakness, fatigue, cough, sore throat, rash, and sinus congestion.
Treatment for a fever depends on the underlying cause. Treatment for fever may include rest and plenty of fluids, as well as acetaminophen, aspirin, or non-steroidal anti-inflammatory medications. Additional treatment for a fever caused by an infection may include antibiotics or antiviral medications.