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Doctor insights on: Fasting Blood Sugar And Postprandial Blood Sugar

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Diabetes2 acceptable fasting and after meal blood sugars?

Diabetes2 acceptable fasting and  after meal  blood sugars?

Diabetes Control: Fasting under 100 is normal, treated under 120 is pretty good, over 140 not so good. 2 hours after meals normal is 140 to 150 and good control is the same , add 10-20 or so. Many people manage looser but i try to get better control without risking low blood sugars which can be very bad so be careful and work with your doctor closely. ...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


Holly Barth Dr. Barth
4 doctors agreed:
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Normal sugar blood level?

Holly Barth Dr. Barth
4 doctors agreed:
Normal sugar blood level?

100mg/dL or less: Physicians measure patient's fasting blood glucose. This is the blood sugar taken when the patient hasn't had food or drink for at least 8 hours. "normal" is considered to be 100mg/dl or less. There is a little leeway before a level is high enough to raise concern and necessitate intervention though. A non-fasting blood sugar - or random should be less than 150... Especially 2 hours after you eat. ...Read more

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Blood sugar normal person?

Blood sugar normal person?

Fasting blood sugar: Should be 70-100. Non - fasting can be up to 140s.... ...Read more

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Niacin and blood sugar or diabetes?

Niacin and blood sugar or diabetes?

Increase blood sugar: Increase blood sugars is a side effect seen with niacin.( a dose-related effect). Close blood glucose monitoring is advised for diabetics/ potentially diabetic patients during treatment with niacin; adjustment of diet and/or antidiabetic therapy may be necessary. See your physician for evaluation and care. ...Read more

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My blood sugar is high with fasting & insulin. Why?

My blood sugar is high with fasting & insulin. Why?

Because: You have diabetes and are not on an appropriate regimen of diet, exercise, medication etc. Check w/your doctor or diabetes care team. ...Read more

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

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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Can sugar scrubs for body spike the blood sugar level?

Can sugar scrubs for body spike the blood sugar level?

No, but these: Are also not likely to do you any good. Rubbing sugar on your skin will not raise blood sugar. ...Read more

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Low blood sugar without taking my insulin, normal?

Depends: How low is low? And are you exercising or taking pills as exercise can lower bs independent of Insulin and pills/meds can have effect also. ...Read more

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What should my blood glucose/ blood sugar be at?

What should my blood glucose/ blood sugar be at?

70-99mg/dl fasting: Normal blood sugars are between 70-100mg/dl when you are in a fasting state (at least 8hrs). Diabetes is present when the number hits 126mg/dl in the fasting state. When the sugars fall in between these ranges (100-125), this would be considered impaired fasting glucose or pre-diabetes (borderline diabetes). ...Read more

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Is a low blood glucose or high blood glucose better?

Is a low blood glucose or high blood glucose better?

Neither: Neither are good for you but the more dangerous one is low blood sugar. The effect of low blood sugar is quicker and you can definitely die from it. ...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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Can beer raise cholesterol and blood sugar levels?

Can beer raise cholesterol and blood sugar levels?

No and yes: There is no cholesterol in beer but a lot of carbohydrates that convert into sugar and fat. Therefore, some people get a beer belly, . ...Read more

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Can blood sugar level rise after introducing insulin?

Can blood sugar level rise after introducing insulin?

No: Insulin specifically lowers blood sugar. The only other thing to do that is physical activity. Your diabetes may worsen over time, or your weight may increase -- both of which can lead to higher blood sugars. ...Read more

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My father is 50years, his fasting blood sugar is 108 and postprandial blood sugar is 205. Is it normal? If not what diet to follow? Thank you!

My father is 50years, his fasting blood sugar is 108 and postprandial blood sugar is 205. Is it normal? If not what diet to follow? Thank you!

Need to control BS: Your father has to see his doctor , for medication and diet . Complications of diabetes like kidney failure , vascular & peril nerve degeneration problems could be prevented by early intervention , just eating low carbohydrates, exercise is not enough need physician supervised treatments. ...Read more

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I have pcos. My fasting blood sugar and postprandial gtt are all normal. Do i also need to get my insulin levels to see whether I am insulin resistant or not ?

I have pcos. My fasting blood sugar and postprandial gtt are all normal. Do i also need to get my insulin levels to see whether I am insulin resistant or not ?

Depends: On how much information you and your doctor like to know. Knowing your fasting Insulin level will likely not change how you are treated, but if it is high, it might help give you motivation to stick with your healthy lifestyle changes that you should be employing anyway. ...Read more

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How to check fasting blood sugar? Some doctors says 10hours after food.Some others says 8 hours.Which is the correct gap after food?

Blood Sugar: Three hours after eating one's blood sugar level should return to 'fasting' levels. Labs, when doing fasting sugars recommend that be eight to twelve hours. But, three hours post meal one's sugar should return to 'normal'. ...Read more

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Why is my fasting glucose always higher (90s) than my post-prandial glucose (70s)? I am not diabetic nor on and meds that affect blood sugar.

Why is my fasting glucose always higher (90s) than my post-prandial glucose (70s)? I am not diabetic nor on and meds that affect blood sugar.

Don't worry: Your blood glucose results are in the normal range. To maintain good health, exercise about 30 minutes/day, 5 days/week, have a diet rich in fresh vegetables, fruits, whole grains, nuts, legumes, lentils, beans, small amounts of lean meats, low fat milk products, limit saturated fats, no tobacco and no more than one alcoholic drink a day. ...Read more

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Dr. Melissa Haglund
154 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