Posted by: | 2018/09/27


I have a fasting blood sugar of 107

My question is, there is a lot information on the web. Some say 107 fasting blood sugar is pre-diabetes. What is the truth? I have a sugar-filled soda(reb-bull 12oz with sugar) tested my blood 2 hours later it was 130. Is 107 blood sugar enough to warrant a doctor visit?

Expert's Reply


Diabetes expert
- 2018/10/08


According to SA guidelines, a fasting laboratory glucose (done in the morning after fasting for 8 hours) is considered normal if it is less than 110(America uses 100), pre-diabetes if it is between 110 and 126, and diabetes if it is 126 or more. Normally we would want two abnormal results, or one abnormal result with associated symptoms like tiredness, weight loss, drinking lots of water and passing too much urine. The other way to test glucose is to do a glucose tolerance test where you go to the lab fasting and they give one 75grams of glucose to drink in water and then test your glucose levels after 2 hours. The cut off for diabetes is a level of 200 or higher at 2 hours and normal is less than 140. Between these two levels is considered pre- diabetes. Some patients will be normal on one test and abnormal on another, so sometimes we may do  both. We don’t normally use the finger prick test, as the levels are a bit more variable. Based on your level, I would suggest being formally tested

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