'''FeverIbà''' (''Fever'') (also known as '''pyrexia''' or '''controlled hyperthermia'''<ref name=NC08>{{cite journal |author=Axelrod YK, Diringer MN |title=Temperature management in acute neurologic disorders |journal=Neurol Clin |volume=26 |issue=2 |pages=585–603, xi |year=2008 |month=May |pmid=18514828 |doi=10.1016/j.ncl.2008.02.005 |url=}}</ref>) is a common [[medical sign]] characterized by an elevation of temperature above the normal range of {{convert|36.5|–|37.5|C|F}} due to an increase in the [[body temperature]] regulatory [[Human_thermoregulation#Thermoregulation_in_humans|set-point]].<ref>{{cite journal |author=Karakitsos D, Karabinis A |title=Hypothermia therapy after traumatic brain injury in children |journal=N. Engl. J. Med. |volume=359 |issue=11 |pages=1179–80 |year=2008 |month=September |pmid=18788094 |doi= |url=}}</ref> This increase in set-point triggers increased [[muscle tone]] and [[shivering]].
