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SESK: Stuff Everyone Should Know · sesk.info/diab-sick-day-fever-emergency

Which lasting fever does CDC list as a diabetes sick-day emergency?

Over 101 F for 24 hours.

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  1. 99 F for one hour
  2. 100 F for two hours
  3. Over 101 F for 24 hours ✔

Why: Fever may signal infection, and illness can make blood sugar harder to manage. CDC lists this threshold for emergency care.

Huh, didn't know that: CDC also lists blood sugar lower than 60 mg/dL during illness as a reason for emergency care.

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Why did the fever bring a stopwatch? It was watching its temperature and timing.
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References

Answer: Over 101 F for 24 hours. Fever may signal infection, and illness can make blood sugar harder to manage. CDC lists this threshold for emergency care.

  1. CDC Managing Sick Days www.cdc.gov/diabetes/living-with/managing-sick-days.html
    Your temperature is over 101 degrees F for 24 hours.
    Checked 2026-10-09.

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