Chills & fever | Chills and fever | Drug fever | Febrile reaction | Fever | Fever chills | Fever of unknown origin | Heat production increased | Heat retention | High temperature | Intermittent pyrexia | Periodic fever | PUO | Pyrexia | Pyrexia abnormal | Pyrexia drug | Pyrexia NOS | Pyrexia of unknown origin | Pyrexia of unknown origin (excl puerperal) | Pyrexial | Reaction febrile | Slight fever | Spiking temperature | Slight temperature | Intermittent fever | Cotton fever | Febricula | Fluctuating fever | Chronic fever | Acute febrile illness | Feverish | Pyrogenic reaction | Subfebrile | Low grade fever | Subjective fever | Fevers | Pyrexias | Hyperthermia | Hyperthermias |