HomeAnswersDiabetologyblood sugar levelsFasting sugar level is higher than postprandial level. Why?

My mother's fasting sugar is higher than the post prandial sugar.Why is this happening?

My mother's fasting sugar is higher than the post prandial sugar.Why is this happening?

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 April 12, 2017
Reviewed AtMarch 15, 2024

Patient's Query

Hello doctor,

  • My mother's fasting sugar is higher than the post prandial sugar (130 and 115 respectively). She had normal diet only.
  • And also, 2 hours after taking 75 grams of glucose, without any work, the sugar level is 260. Why is this happening?


Welcome to icliniq.com.

  • Regarding blood sugar levels, if a patient is diabetic and if she is on oral medication for diabetes, the sugar levels can be as have you stated (fasting blood sugar level more than the post prandial blood sugar).
  • This happens because most of the anti-diabetic medications are taken either with or before breakfast.
  • If the patient is not a diabetic, as soon as she takes the breakfast, it will act as a stimulant to produce insulin in the body and that will bring down the post prandial blood sugar level (PP).
  • Normal diet can be 2 or 3 dosas, chapatis or rotis, in which the blood glucose level will be lower than 75 grams of direct glucose. This direct glucose might also increase the sugar level to 260.
  • Another scenario for increase in sugar after empty stomach will be because of the hormone called glucagon, which will induce glycogenolysis and neoglucogenesis in the body when the sugar levels are very low.
  • In this mechanism, the stored glycogen or lipids will be converted into glucose, thus increasing the blood sugar level.

Consult a diabetologist online for further clarifications --> https://www.icliniq.com/ask-a-doctor-online/diabetologist

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

Dr. Kaveri Dandapani
Dr. Kaveri Dandapani


Community Banner Mobile
By subscribing, I agree to iCliniq's Terms & Privacy Policy.

Ask your health query to a doctor online


*guaranteed answer within 4 hours

Disclaimer: No content published on this website is intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek advice from your physician or other qualified healthcare providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website. Read our Editorial Process to know how we create content for health articles and queries.

This website uses cookies to ensure you get the best experience on our website. iCliniq privacy policy