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Diabetes4 min read

Why can blood sugar rise even without diabetes?

Published: 2026-08-08

Key Takeaways

  • Cortisol and Adrenaline stimulate the liver to release stored glucose.
  • Steroid medications temporarily impair insulin sensitivity.
  • HbA1c tests differentiate temporary spikes from chronic diabetes.

Non-diabetic blood sugar spikes occur due to stress hormones (Cortisol, Adrenaline), infections, steroid medications, or inadequate sleep.


Transient hyperglycemia can occur in non-diabetic individuals due to physiological stress triggers, infections, or steroid therapy.

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Medical Disclaimer

This article is intended strictly for educational purposes and should not be used as a substitute for professional medical diagnosis or clinical treatment.

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