- You may be looking for the song "Fever".
A fever is a medical symptom that describes an abnormally high increase in body temperature. It is most often a sign of systemic infection or sepsis.
Leonard McCoy ran a high fever in the episode The City on the Edge of Forever , as a bad side effect of an accidental drug overdose of cordrazine , thus becoming horribly dellusional and weak. He was nursed back to health by Edith Keeler. (TOS: "The City on the Edge of Forever")
Spock suffered from fever, when he was undergoing plak tow, thus causing him some obvious physical discomfort and disorientation during his fight with James T. Kirk. (TOS: "Amok Time")
Captain Jonathan Archer suffered from fever after T'Pau performed a Vulcan ritual on him. (ENT: "Awakening")
Kamin had been feverish for three days when Jean-Luc Picard awakened in his place. (TNG: "The Inner Light")
A high fever was a late symptom of the aphasia virus which Chief Miles O'Brien suffered from in 2369. (DS9: "Babel")
A fever was a symptom of the Larosian virus. (DS9: "If Wishes Were Horses")
Victims of the Harvester biogenic weapon would show a fever. (DS9: "Armageddon Game")
Fever was an early sign of the macrovirus. (VOY: "Macrocosm")
Vargas, a Starfleet officer stationed on AR-558, contracted a fever in 2375. (DS9: "The Siege of AR-558")