How to know the actual Sugar Levels when I am taking medication for diabetes

Answered on August 19, 2014
Created December 24, 2012 at 7:41 AM

My friend went for a BG test in the morning 10 hrs after fasting from night and it shows a value of 96 , what does it mean ? It means that he is not diabetic ... right ? But he is on medication. May be it is showing normal becuase he is on medication. My simple question is whether fasting BG levels are independent of the medicines he is taking or the medicines have effect on the fasting BG also that is why it is showing normal.

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2 Answers



on December 24, 2012
at 07:51 AM

If your friend is on some type of diabetic meds, you don't mention which ones, then obviously their purpose is, by whatever way they work, to reduce blood glucose. So it is likely that the meds are having an effect. I am a type II and do not take meds, but only use diet, fasting and exercise to control my blood glucose levels.

The only way for your friend to know if (s)he has been able to control blood sugar without meds, is obviously to leave the meds and then test. 96 is a good fasting bg number.



on December 24, 2012
at 10:19 PM

Diabetes medications don't cure diabetes, they treat the condition which may result in a lower fasting blood sugar.

All that 96 is a snapshot in time with the influence of medication. It doesn't say anything about her condition, other than the fact that with the medication her blood sugar was below 100 that morning. Although doctors aim for a FBG of 99 or below, 96 isn't that low. Most people with normal insulin levels will have FBG's in the 80's.

A FBG is not all that informative. Your friend would do well to purchase a glucometer and use it to test her blood sugar after meals, to learn what foods cause her blood sugar to go up to unacceptable levels. There's controversy about what those levels are, but she will be able to see trends and learn what foods cause her BG to go up more--and learn to avoid those foods.

Some physicians will use an HbA1C test which is an average of blood sugars over a period of time and may give a better picture of glycemic control than a single FBG.

To really understand how her diabetes is doing, a knowledgeable endocrinologist may test her C-Peptide levels which will give an indication of how much insulin she's secreting.

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