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Doctor insights on: Fasting Blood Sugar 138

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My fasting blood sugar shows 138 and after food blood sugar shows 208. Doctor, could you please confirm if I am diabetic?

My fasting blood sugar shows 138 and after food blood sugar shows 208. Doctor, could you please confirm if I am diabetic?

Can't confirm: Fasting blood glucose greater than 126 confirmed on another occasion defines diabetes. Sounds like you meet part of the criteria. You should see doc to confirm and measure hemoglobin a1c. ...Read more

Blood Sugar (Definition)

The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more


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Fasting blood sugar was 83 then I had a bagel an half an hour after it went up to 138 then half an hour after went back down to 112 already normal?

Fasting blood sugar was 83 then I had a bagel an half an hour after it went up to 138 then half an hour after went back down to 112 already normal?

Sounds normal: This sounds like a normal response. The fasting glu is normal. It is hard to judge the response to meal but this sounds quite reasonable. Why are you testing your glucose so much? ...Read more

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Is 6.5 fasting blood sugar bad?

A1c: The 6.5 is not a sugar level but reflects how well your blood sugar is being controlled.
It is best known as a1c which reflects uptake of sugar on your red blood cells.
6.5 is an ok number but don't get higher. ...Read more

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Fasting blood sugar 75. Is that good?

Fasting blood sugar 75. Is that good?

Yes: Your fasting blood sugar should be less than 90 and above 60 in a healthy adult. ...Read more

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How worrying is a fasting blood sugar of 136?

How worrying is a fasting blood sugar of 136?

That is elevated.: But don't jump to conclusions - your physician will evaluate further to determine if you have diabetes melitus. ...Read more

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Non- fasting blood sugar of 114 is this high?

Non- fasting blood sugar of 114 is this high?

Not necessarily: Your glu after a meal varies with what you ate, how fast, the speed of your GI tract, etc. It is hard to precisely say whether your post meal glu are too high. If you are testing your sugars because you have diabetes, or are worried about diabetes, best to check fasting and pre-meal, and follow your a1c. Normal fasting glu is 100 or less. Diabetes is 126 or more. "impaired" is in between. ...Read more

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How unhealthy is a fasting blood sugar of 136?

How unhealthy is a fasting blood sugar of 136?

Not healthy: Its unhealthy over 125 at 135 sugar will not be in the urine but still damages nerves eyes etc.
They should loose weight, exercise and if still 135 begin something like glucophage (metformin) ...Read more

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I have 119 fasting blood sugar what is it means?

I have 119 fasting blood sugar what is it means?

It's "high": And may mean a pre-diabetic or early TYPE II diabetic phase of sugar intolerance!! many Diabetes experts now recommend aggressive treatment of this however the first "treatment" is DIET and EXERCISE...discuss with your PCP (Primary Care Physician)
Hope this is helpful
Dr Z ...Read more

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Can having fasting blood sugar of 102 mg be healthy?

Depends upon: Your definition of "healthy". It is only slightly above normal and in the prediabetes range. You need education, diet, exercise, weight loss, monitoring, and see your doctor to find out of they want to begin you on medication or wait to see if it worsens. ...Read more

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What is now considered standard fasting blood sugar range?

70-100 mg/dL: Normal fasting blood sugar is 70-100. Between 100-125 is pre-diabetes. Two fasting blood sugar levels of 126 or higher is diagnostic of diabetes. Consult this site for more information.
http://www. Nlm. Nih. Gov/medlineplus/ency/article/003482.htm ...Read more

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What is the definition or description of: fasting blood sugar?

What is the definition or description of: fasting blood sugar?

12 hours of fasting: Fasting blood sugar is blood level of blood glucose after fasting (not eating) for 8 to 10 hours. Normal range is 70 to 100. ...Read more

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Should I worry about the my result of fasting blood sugar 102?

Evaluate: It's not normal and I would certainly look into it to make sure you are not truly prediabetic. This is an important time point and what you do right now could influence your future. ...Read more

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How can I lower my fasting blood sugar from 233 safely and quickly?

How can I lower my fasting blood sugar from 233 safely and quickly?

An oral: Hypoglycemic agent is indicated but only after you have received dietary/exercise instructions and those conservative methods fail. There is no safe way to reduce this level "quickly"!!!!! You may, in fact, require medication and your Health care Professional will know what to prescribe in your case!
Hope this helps!
Dr Z ...Read more

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What medications should not be taken prior to a fasting blood sugar test?

What medications should not be taken prior to a fasting blood sugar test?

Fasting blood sugar: NONE!
Please go as early in the morning as possible. Once blood is drawn you can relax and eat breakfast. ...Read more

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What does it mean when your ac1 is a 6.3 My fasting blood sugar was a 155?

What does it mean when your ac1 is a 6.3 My fasting blood sugar was a 155?

Borderline A1C: A1c is a rough estimate of your last 2-3 months of blood sugars. Your level roughly correlates to an average sugar of 140. Based on this level you are not quite a "diabetic". However, your fasting number qualifies you. It should be repeated but you should begin making lifestyle changes regardless. ...Read more

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What are the differences between fasting blood sugar and fasting plasma sugar?

Minor difference: There is about a 15% difference between whole blood glucose and plasma glucose, with the plasma glucose being higher. If you use a fingerstick glucose monitor, it is measuring whole blood glucose, whereas when you have blood drawn and sent to the lab, it is measuring plasma glucose. Some fingerstick meters will correct for the difference by adding 15% automatically. ...Read more

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Just had a fasting blood sugar of 98 is this normal or anything to worry about?

Just had a fasting blood sugar of 98 is this normal or anything to worry about?

Probably OK: The normal range for fasting blood sugar is anything from 70 to 99. From 100 to 125 indicates prediabetes. A value of 98 is at the high end of normal. However, blood sugar can fluctuate a lot due to biological and measurement variability. Rechecking fasting sugar a couple times is important. If it remains near 100 then a low glycemic index diet and aerobic exercise should help reduce it. ...Read more

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Can eating sugar a night before the fasting blood sugar test affect the results?

Yes: You should not eat for 12 hours before a fasting test is done. You can have some water if thirsty. ...Read more

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Fasting blood sugar 65, 1 hour after 110. 2 hours after 106 2 an a half hours 100 an 3 hours 125?

Why?: Are you a diabetic or you checking to see if you are diabetic? The numbers otherwise don't reflect diabetes however. ...Read more

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Why is my fasting blood sugar so high in the morning even though I ate low carbb the night before?

High AM glucose: The dawn rise of glucose (g) is part of the body's "getting ready for the day. It does this by secreting more cortisol and growth hormone. The liver also releases g "getting ready for the day, raising g. People on on Insulin (i) can time its dose to peak closer to the morning hours. Those not on I can take metformin to lower the levels of g secreted by liver. These actions can reduce your high g. ...Read more

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What are normal variations in fasting blood sugar? My normal is around 85, recent test showed 98. 30yo m

What are normal variations in fasting blood sugar? My normal is around 85, recent test showed 98. 30yo m

See answer: Fluctuations in blood sugar are quite normal and the rule rather than the exception. Blood sugar values will vary depending on the nutritional content of your diet, the amount of time that has elapsed since your last meal, your level of exercise and activity as well as being potentially influenced by medications and illness and other intangible factors. Your fluctuations are well within normal. ...Read more

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My fasting blood sugar changed within one month. In January it showed 79 and in February it was 90. Normal? Does it flactuate, if so what r the reasons?

My fasting blood sugar changed within one month. In January it showed 79 and in February it was 90. Normal? Does it flactuate, if so what r the reasons?

Both normal: Both of the readings are in the normal range. There are a number of factors that may explain the 11 mg difference, e.g. the second specimen was analyzed more quickly after collection, your fasting state was not equivalent for the two tests, there is an accepted 6 mg variation between two tests done on the same sample. If the two tests were done in different labs, that would add to the variability. ...Read more

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Why did my fasting blood sugar reading go from 80 to 104?

Not much different: The FBS is not the same every day. It varies day to day so do not worry. ...Read more

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What is a normal fasting blood sugar level?

If fasting overnight: And drawn out of a vein by a lab, it's less than 100. Check diabetes.Org. ...Read more

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How do I lower my fasting blood sugar level?

How do I lower my fasting blood sugar level?

Wt loss & exercise: How much do you weigh? What is your fasting glucose? Losing weight, at least 10% of existing weight (unless you are underweight), and exercising vigorously at least 30 minutes a day, may reduce fasting blood sugar, or at a minimum keep it from going up. You must consult your doctor before you embark on wt loss and vigorous exercise. ...Read more

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What is normal fasting blood sugar level fbs?

What is normal fasting blood sugar level fbs?

Normal FBS: Between 65-99 mg/dl - impaired fasting glucose (ifg), prediabetes, is between 100-125 mg/ dl. Fbs of 126 mg/dl or higher is in the diabetic range. ...Read more

Dr. Melissa Haglund
153 Doctors shared insights

Fasting Blood Sugar (Definition)

Fasting blood sugar is blood level of blood glucose after fasting (not eating) for 8 to 10 hours. Normal range ...Read more