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HomeAnswersEndocrinologyhypoglycemiaI have Hashimoto's disease. But why am I hypoglycemic when my insulin levels are normal?

What are the possible reasons for hypoglycemia in the absence of insulin issues?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

iCliniq medical review team

Published At March 21, 2022
Reviewed AtMay 15, 2024

Patient's Query

Hello doctor,

I was diagnosed with Hashimoto's thyroid disease approximately four months ago after my second pregnancy. I started taking Levothyroxine tablets. Due to weight gain, I took a GTT on Monday. My insulin was within the normal range. However, I was hypoglycemic during the first two hours. What are the possible reasons for hypoglycemia in the absence of insulin issues?

Answered by Dr. Arpit Varshney

Hello,

Welcome to icliniq.com.

There can be multiple reasons for hypoglycemia in your case. The first reason can be due to prolonged fasting. Maybe your body could not cope and developed hypoglycemia. Secondly, it can be due to increased body metabolism under the effect of thyroid medication. Your body's glucose requirement could have increased. The third reason can be due to low cortisol levels. But the important thing is that your insulin levels were normal, and sugar levels did not increase. That is good news as you do not have diabetes. Low sugar is not something of great concern. You can simply ignore it and continue your treatment for Hashimoto's disease. You will be completely fine.

Hope this helps. Kindly revert back in case of further queries.

Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Arpit Varshney
Dr. Arpit Varshney

General Medicine

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