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What is the lowest blood sugar level?

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Posted on Mon, 25 Jul 2016
Question: What is the lowest blood sugar number? What would be XXXXXXX
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Answered by Dr. Panagiotis Zografakis (39 minutes later)
Brief Answer:
80-130 should be your target for fasting blood glucose

Detailed Answer:
Hello,

although individuals without diabetes may have (normally) fasting blood glucose levels as low as 70mg/dL and no symptoms are expected, individuals with diabetes should try to have 80-130mg/dL, particularly those on insulin. Less than 80 increases the risk for hypoglycemia. Keep in mind that the longer the diabetes duration the less likely for the mechanisms against hypoglycemia to be intact. So a patient with long-standing diabetes who is on insulin, may experience sudden coma because the body could not counteract effectively the blood glucose decrease.

So in conclusion, although levels as low as 70mg/dL are considered normal, the target levels for fasting blood glucose for a diabetic on insulin are 80-130mg/dL.

I hope it helps!
Kind Regards!
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Panagiotis Zografakis

Internal Medicine Specialist

Practicing since :1999

Answered : 3801 Questions

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What is the lowest blood sugar level?

Brief Answer: 80-130 should be your target for fasting blood glucose Detailed Answer: Hello, although individuals without diabetes may have (normally) fasting blood glucose levels as low as 70mg/dL and no symptoms are expected, individuals with diabetes should try to have 80-130mg/dL, particularly those on insulin. Less than 80 increases the risk for hypoglycemia. Keep in mind that the longer the diabetes duration the less likely for the mechanisms against hypoglycemia to be intact. So a patient with long-standing diabetes who is on insulin, may experience sudden coma because the body could not counteract effectively the blood glucose decrease. So in conclusion, although levels as low as 70mg/dL are considered normal, the target levels for fasting blood glucose for a diabetic on insulin are 80-130mg/dL. I hope it helps! Kind Regards!