Fever - Overview

Worried about fever? Don’t anymore. Fever is not an illness; it’s the body's normal and healthy reaction to infection in the body. It is just the temporary increase in the body's temperature in response to a disease. It is also known as pyrexia or controlled hyperthermia.       

You would know that the average normal body temperature is about 98.6°F (37°C). Yes. But people's normal body temperatures may vary by factors such as eating, exercise, sleeping and what time of the day it is. In the morning, it may be as low as 97.4°F (36.3°C) and in the afternoon it may be as high as 99.6°F (37.6°C). When an adult’s body temperature is above 99 - 99.5°F (37.2 - 37.5°C) then he/she probably has a fever.

Doctors say that it is not a mild one when the fever reaches or exceeds 38°C (100.4°F) and it should be treated a couple of hours later.

Most fever might not cause problems it just helps the body to fight off infections. Result of an immune response by your body to a foreign invader is known as fever. These foreign invaders are viruses, bacteria, fungi, drugs or other toxins.

The above mentioned temperatures are taken in the mouth. For normal armpit temperatures, you have to reduce those mentioned temperatures by about 0.2°C to 0.3°C.