A fever at night usually occurs due to increased functioning of the hypothalamus in the brain at night.
Chills but no fever describes the experience of shivers and feeling warm without an elevated core temperature.
What is it: A psychogenic fever is a condition characterized by an increase in body temperature that emerges after an emotional or high-stress situation.
Average body temperature can vary between 95.7ºF (35.4ºC) and 98.9ºF (37.2ºC), but a high temperature is only considered to be a fever when the temperature under the armpit (the axillary...
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