What causes blood sugar to rise without eating?

Answered by 1 Apollo Doctors

Dr Dr Khaleel Ur Rahim

General Practitioner

MBBS
1+ Yrs

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Missing morning meal, caffeine can cause insulin to function less efficiently. Hence blood sugars rise. Some other triggers which can rise blood sugar include stress, excess usage of artifical sweetners, loosing sleep, dehydration, some nasal sprays and dawn phenomenon (People have a surge in hormones early in the morning whether they have diabetes or not. For people with diabetes, blood sugar can spike).

Dr. Dr Khaleel Suggests...

Consult a Endocrinologist

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Answered 04/07/2025

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I'm 42 and my blood sugar is at 164. My feet have this burning sensation, and I've been feeling really weak. What could be causing this, and what can I do to feel better?

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