‘Fever’ is also known as pyrexia, hyperthermia and high temperature. Fever is nothing but higher than the normal body temperature.
Fever is a sign that our body shows due to any internal or external cause.
It overheats the body due to an increase in the body temperature set point. Fever is a symptom which fights the illness of our body.
The Hypothalamus within the brain controls our body temperature. In response to an infection, illness, or some other causes, the hypothalamus may reset the body temperature to higher.
Core temperature elevated due to re-setting the thermoregulatory set point in the hypothalamus. Due to the failure of the thermoregulatory mechanism body produces or absorbs more heat than it can dissipate. Fever affects both children and adults. Mainly it is a symptom of other diseases.
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