<unk>  (also known as pyrexia, or a<unk> ebrile response<unk> rom the Latin word<unk> ebris, meaning<unk> , and archaically known as ague) is a<unk> requent medical symptom that describes an increase in internal body temperature to levels that are above normal (the common oral measurement of normal human body temperature is 36.8±0.7 °C or 98.2±1.3 °F).<unk>  is most accurately characterized as a temporary elevation in the body's thermoregulatory set-point, usually by about 1–2°C.<unk>  differs<unk> rom hyperthermia, which is an increase in body temperature over the body's thermoregulatory set-point (due to excessive heat production or insufficient thermoregulation, or both). Carl Wunderlich discovered that<unk>  is not a disease but a symptom of disease.
There are many variations in normal body temperature, and this needs to be considered when measuring<unk> .
Fever
Alertness
Cough
Cough  
Sedation
Rash
Pain
Pungency