Q: my blood sugar level was 54 before breakfast and 120 after breakfast. i take no meds. is this normal
i am 57 yrs. old. when i was in my 20's the doc told me i was borderline hypoglycemic. do my sugar levels seem normal?
Thanks for your question. Labs vary in their normal values, but the normal glucose range is about 65 to 99 mg %. So, by the numbers, your fasting is still borderline. But a more important question is: do you have any symptoms of hypoglycemia, such as lightheadedness, dizziness, shakes or tremors, headache, sleepiness, or fatigue? If you have no symptoms, then there is nothing to worry about, and nothing to do. Just have it check once a year with your usual check up. Of course, should you develop symptoms of hypoglycemia, then you should see your physician and have it checked earlier.
The reading of 120 after breakfast is fine as long as it remains less than 140. Higher readings may be an indication of diabetes. A more accurate test for the detection of diabetes is a hemoglobin A1c blood test, which is an indication of what your sugars have been over the prior 10 weeks.
I hope this has been helpful. Best wishes.
Martin Cane, M.D.
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