How long should a fever last in a child

A fever is defined as a body temperature above 100.4°F (38°C).  The normal oral temperature for a resting, healthy adult is about 98.6°F (37°C). However, what is considered a “normal” body temperature can vary by one degree based on age, race, and other factors.

 For example,  an individual who is over 70 years old may have a lower normal temp at 96.8°F (36°C). Furthermore, a person’s temperature may increase or decrease by 1 to 2 degrees throughout the day depending on time of day, activity level, the environment (hot or cold), hydration status, or even medications that he/she may be taking.

In general, a fever indicates the presence of inflammation.

 It may occur in the presence of an underlying illness such as an infection, malignancy, or even bodily injury.

Fever in adults when to worry

 It may also be associated with certain autoimmune diseases.  Less commonly, certain medications are associated with fevers.  A fever itself, however, is merely a symptom, and not a disease.

A brain structure called the hypothalamus sets body temperature, and produces

how long does a viral fever last in adults

how long does a cold fever last in adults