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What is the reason for high fasting glucose without fatigue?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

My father's fasting sugar is 297. But my father is feeling better, no weakness, not feeling tired. Why?

Thank you.

Hi,

Welcome to icliniq.com.

Blood sugar levels fluctuate in the body every minute. If the sugar level continuously remains at a higher level, then it is very dangerous to the body because it can create some serious health issues like diabetic neuropathy, nephropathy, retinopathy, ketoacidosis, and coma. So, kindly start him on treatment with either oral hypoglycemic agents or human Insulin. Take medicines regularly.

I hope this helps you.

Thank you.

The Probable causes

Low insulin level in the body.

Investigations to be done

Fasting and postprandial blood sugar level, HbA1c.

Differential diagnosis

Diabetes mellitus, hyperglycemia.

Probable diagnosis

Diabetes mellitus.

Treatment plan

Tablet Metformin 500 mg BD.

Preventive measures

Avoid sugar added foods and drinks.

Medically reviewed byiCliniq medical review team

Published At January 24, 2019
Reviewed AtNovember 11, 2025

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