Fever is defined as a body temperature above the normal range due to an increase the temperature. . Maximum output with some simple thoughts...
Fever occurs when an area in your brain called the hypothalamus hi poe THAL uh muhs also known as your body s thermostat shifts the set point of your normal body temperature upward. When this happens, you may feel chilled and add layers of clothing or wrap up in a blanket, or you may shiver to generate more body heat, eventually resulting in an elevated body temperature.
Normal body temperature varies throughout the day it s lower in the morning and higher in the late afternoon and evening. Although most people consider 98.6 F 37 C normal, your body temperature can vary by a degree or more from about 97 F 36.1 C to 99 F 37.2 C and still be considered normal. Factors such as your menstrual cycle or heavy exercise can affect your temperature.