3. Fever
A fever is a spike in body temperature that lasts only a few hours. It’s just one aspect of the immune system’s entire response. An infection is the most common cause of fever. A fever can be unpleasant for most children and adults. However, it is rarely a cause for alarm. However, in infants, even a modest temperature can indicate a dangerous infection. Fevers usually disappear after a few days. A fever can be treated with a variety of over-the-counter drugs. Body temperatures vary slightly amongst people and at different times of the day. The average temperature is generally described as 98.6 degrees Fahrenheit (37 C). A fever is defined as a temperature of 100 F (37.8 C) or greater measured with a mouth thermometer (oral temperature).
The most accurate way to assess core body temperature is with an oral or rectal thermometer. Although practical, ear or forehead thermometers provide less precise temperature readings. Rectal temperature is slightly more precise in babies if achievable. Give your health care provider both the reading and the type of thermometer you used when reporting your temperature.
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