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Doctor insights on: Fasting Blood Glucose Results

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What's the importance of recording my fasting and postprandial blood glucose results?

What's the importance of recording my fasting and postprandial blood glucose results?

Glucose monitoring: The whole purpose of monitoring your blood sugar levels is to let the doctor know what they are running so that the doctor can adjust your medications. Having good blood sugar control is essential in preventing complications. If the doctor isn't getting those values then I would wonder why you're checking it as well. Bring in the averages or ranges of blood sugars when you see your doc. ...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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I have tested fasting blood sugar and result is 293 mg/dL But i don't have any symtons for diabetes. Please give suggestion to control my glucose.

I have tested fasting blood sugar and result is 293 mg/dL But i don't have any symtons for diabetes.
Please give suggestion to control my glucose.

See doc, change diet: Hopefully, the machine is wrong. But you need to not count on that and check with your doc and get evaluated. In the meantime, exercise and cut the sugar from your diet and if you need to lose some weight, get started on a healthy weight loss diet (count calories!). High protein diets are not good ones (more studies showing this all the time). ...Read more

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I recently took an A1c test and blood glucose. The results from the A1c is 7% and fasting glucose 84. Would i be considered a diabetic?

I recently took an A1c test and blood glucose. The results from the A1c is 7% and fasting glucose 84. Would i be considered a diabetic?

Need more tests: A1c of 7 is in the diabetes range but you can't make the diagnosis on one number. I recommend repeating the tests to confirm. Good luck. ...Read more

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31.9low glucose result in fasting blood test randomly done by Doctor. She wants to put me on med. Right away&i don't like that! How can we find cause?

31.9low glucose result in fasting blood test randomly done by Doctor. She wants to put me on med. Right away&i don't like that! How can we find cause?

I agree with you: That, before your doctor puts you on "med right away", she needs to find out the cause. The first thing to consider is: is the test result accurate? If so, this is a dangerously low blood sugar and it should be followed up on without delay. Best wishes. Dr. Anne. ...Read more

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Random blood sugar test result 375mg/dL repeat test done Fasting Plasma Glucose result 228mg/dL. Am I diabetic?

Random blood sugar test result 375mg/dL repeat test done Fasting Plasma Glucose result 228mg/dL. Am I diabetic?

Yes!: You are def a diabetic. Get a glucose meter and check some fingersticks. Completely NL in the AM fasting is 70-100. 101-125 is borderline, >125 is diabetes. Go see a diabetes doc and get an A1C test. Normal is up to 5.7. Pre-diabetic is 5.7 – 6.4. Diabetes is >6.4. Check out this link from the NIH: http://diabetes.niddk.nih.gov/dm/pubs/A1CTest/A1C_Test_DM_508.pdf. You need diabetic tx! ...Read more

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What's a good target range for fasting blood glucose?

What's a good target range for fasting blood glucose?

Ranges: Normal blood sugars run under 100 fasting. Anything over 128 is considered diabetes. Between 100 – 120 is considered fairly reasonable control for most diabetics. Oftentimes people on oral medication are controlled better than people on insulin. Only your doctor can give you the range that is right for you because there are many factors involved on our target selection. ...Read more

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What is the normal whole fasting blood glucose? Thank you.

What is the normal whole fasting blood glucose? Thank you.

Fasting sugar: A normal fasting sugar level is less than 100 mg/dl. 100-125 is considered pre-diabetes if persistent. The diagnosis is made on blood test and not through a home glucometer. ...Read more

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What is the range of normal "fasting" whole blood glucose? May i also get your reference? Thanks!

74-106: That's "technicaliy" the "normal range", but only for blood drawn from a vein in the fasting state. After meal glucoses and hba1dc determination are also important if you're concerned re: diagnosis of diabetes. Don't be worried if your glucose is slightly lower than the above range. Be aware that what is considered "normal" changes from time to time and has been slowly lowering over years. ...Read more

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My fasting blood glucose has recently gone up to 6.6mmol. I've had reactive hypo for 11 years. Should i be concerned?

My fasting blood glucose has recently gone up to 6.6mmol. I've had reactive hypo for 11 years. Should i be concerned?

Yes, 11 years: Ago your so-called "hypoglycemia" was a return to normal glucose after a meal when you were obese and Insulin resistant. That has worsened with age (and probably with further weight gain) and you've gone from Insulin resistance into prediabetes and probably full diabetes. You need to eat less and exercise more and may need medication. See your doctor. ...Read more

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Is higher fasting blood glucose early in the morning normal? I've had scores a bit high early in the morning, 102-103. But later they're under 90.

Is higher fasting blood glucose early in the morning normal? I've had scores a bit high early in the morning, 102-103. But later they're under 90.

Dawn phenomenon: I'm going to assume you're a diabetic under care. This sounds like the "dawn phenomenon"; the hormones you make late in sleep will tend to raise blood glucose a bit. By the way, it sounds like you have good control and you should be proud. ...Read more

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Am i considered a diabetic if my A1c is 6.6 and fasting blood glucose of 84?

Am i considered a diabetic if my A1c is 6.6 and fasting blood glucose of 84?

Yes, : Fasting sugar 100-125 is pre-diabetes and 2-hrs after eating 140-199 is
prediabetes.

Fasting 126 and higher and 2 hours after eating 200 and greater is diabetes

Or hga1c 6.5 and greater = diabetes. ...Read more

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Hey docs, what hormone controls blood glucose while fasting?

Hey docs, what hormone controls blood glucose while fasting?

Interplay: Hi. Only insulin can lower blood sugar. Glucagon, epinephrine, cortisol, & growth hormone raise blood sugar. During a short fast (e.g., overnight), it's mostly interplay between insulin & glucagon. As longer fasts are encountered, the other hormones (esp. cortisol) play increasing roles. ...Read more

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Will 4 grams of sugar affect fasting blood glucose?

Do you have diabetes: If you have diabetes the more sugar you take the higher your blood sugar is likely to be.

If you don't have diabetes it is likely that 4 grams of sugar won't affect your diabetes.

Why are you taking 4 grams of sugar?
Are you really weighing it? ...Read more

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Recently blood glucose levels for non fasting males?

Normal fasting: 65-105 when drawn out of a vein while fasting. Various authorities have different "normal" levels. There are, however, no exact cut-offs, it's all a continuium. Finger sticks are not accurate enough for diagnosis. Two hour post meal should be less than 130-140, and any glucose >200 at any time suggests diabetes. An a1c >6% is also suggestive and needs further evaluation. See diabetes. Org for info. ...Read more

Dr. Cayce Jehaimi
2,598 doctors shared insights

Glucose (Definition)

Glucose is the basic sugar molecule and the source of energy throughout the living kingdom. We are programmed to easily detect it by taste in our foods as it is desirable but can be overdone with the modern diet. It gets out of control ...Read more