Why do we get fever (say when down with flu). What is cold fever and why does that happen? You have all the symptoms of normal fever but you feel cold-very cold even after going under a blanket.
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Your body has a built-in thermostat that helps control your temperature. When you go down with a fever, it’s like your thermostat is “set” up a few degrees to help fight off the infection (since heat kills bacteria/viruses). But the downside is, your body temperature doesn’t catch up immediately before the thermostat raises, which is why you get chills when your fever starts. This then gives you the sensation of being cold, making you want to hide under a blanket, sip hot tea, or do other things to quickly bring your body temperature up to the “set” temperature. You then experience shivers, which are your muscles working to generate heat by burning stored energy
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