Why do I shiver when I have a high temperature, not when I have a low one?

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SUMMARY

The discussion centers on the physiological response of shivering during a fever, specifically when the body temperature reaches 102.8°F to 104°F. Jacob explains that shivering occurs due to a change in the body's "setpoint," which is regulated by the brain, making the individual feel cold despite having a high temperature. The conversation emphasizes the importance of seeking medical attention for high fevers, particularly in adults, and highlights the effectiveness of medications like Advil in managing fever symptoms.

PREREQUISITES
  • Understanding of human body thermoregulation
  • Knowledge of fever mechanisms and setpoint theory
  • Familiarity with over-the-counter medications like Advil (Ibuprofen)
  • Awareness of when to seek medical attention for high fevers
NEXT STEPS
  • Research the physiological mechanisms of fever and thermoregulation
  • Learn about the effects of Ibuprofen on fever management
  • Investigate guidelines for when to seek medical care for fever in adults
  • Explore the role of the hypothalamus in regulating body temperature
USEFUL FOR

This discussion is beneficial for individuals experiencing fever symptoms, healthcare professionals, and anyone interested in understanding the body's response to illness and the importance of medical intervention during high fevers.

wasteofo2
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I'm sick and running a fever. If I take an Advil and my fever goes down, I stop shivering, but as the medicine starts wearing off, I begin to shiver more. I thoguht shivering was a mechanism designed to raise you're body heat, so it doesn't make sense that when I'm running a 103.8 temperature I'd need to generate any more heat to kill whatever pathogen's inside of me.

Paz,
Jacob
 
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Fever is a different mechanism than simply being overheated. Your "setpoint" changes (like raising the temperature on a thermostat as opposed to turning on a separate heater in a room containing the thermostat). When you're running a fever, you perceive room temperature to be too cold, so start shivering. The medicine works on the fever-inducing mechanism in the brain to lower that set-point and help get your temperature down.

Since you're running close to 104 F, if you haven't already seen a doctor, you should do so soon! While 104 isn't unusual for a kid, for an adult, it gets dangerous. Have someone drive you to a doctor (you shouldn't be driving yourself if you are that sick).

Feel better soon!
 
I'm a teenager, and I meant 102.8

Thanks for the info hombre,
Jacob
 
wasteofo2 said:
I'm a teenager, and I meant 102.8

Thanks for the info hombre,
Jacob

When I was saying "kid" I was thinking little kid, like under 12. In terms of high fevers, I'd lump teenagers in with adults in terms of when it's time to see a doctor.

Are you feeling any better today? If the fever doesn't start to go down today, go see a doctor anyway (if it gets worse, call a doctor immediately...I know Sundays aren't the best days to get ahold of a doctor otherwise).
 
Moonbear said:
When I was saying "kid" I was thinking little kid, like under 12. In terms of high fevers, I'd lump teenagers in with adults in terms of when it's time to see a doctor.

Are you feeling any better today? If the fever doesn't start to go down today, go see a doctor anyway (if it gets worse, call a doctor immediately...I know Sundays aren't the best days to get ahold of a doctor otherwise).
I actually am doing better, thanks for caring. It's amazing what some advil, chicken soup, juice and a few days rest will do for a viral infection. It's also amazing what a doctor can do (say: "Yep, it's a virus, nothing I can do for you, that'll be $75).

It's amazing the feeling of sympathy that a series of 1's and 0's tranfered over phone wires into a series of red, green and blue pixels can confer.
 
wasteofo2 said:
It's amazing the feeling of sympathy that a series of 1's and 0's tranfered over phone wires into a series of red, green and blue pixels can confer.

Behold the power of cheese..I mean, err the Internet
 

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