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Doctor insights on: Blood Sugar Level Test

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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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How many hours to fast before a fasting blood sugar level test?

How many hours to fast before a fasting blood sugar level test?

Fasting: Depends on what's being measured but nothing after midnight for 8 am lab draw is adequate. Make sure you drink plenty of water. ...Read more

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Is 11 hours fasting fine for fasting blood sugar level test or is too much and will give inaccurate reading or lesser reading?

Is 11 hours fasting fine for fasting blood sugar level test or is too much and will give inaccurate reading or lesser reading?

Sounds fine: A variety of blood tests gives more accurate results if the patient has not eating food, drank beverages other than water, or taken certain medications that might influence test results. For checking fasting blood sugars, a patient can fast overnight (about 10 hours, but 8-12 hours should be fine) and then give his blood sample before taking his morning vitamins or medications. ...Read more

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Does the anxiety and the stress effects the sugar blood level test result ? And if did the test in the morning but i felt that my stomach is not empty

Does the anxiety and the stress effects the sugar blood level test result ? And if did the test in the morning but i felt that my stomach is not empty

Yes: Yes to both questions. Anxiety and stress raise cortisol levels and Epinephrine is induced which increases blood sugar levels. Hey fasting glucose is greater than 12 hours without eating or drinking sweet drinks. If you had been eating for greater than 12 hours from the test or you were stressed this will raise your blood glucose levels and give you an artificially high reading blood glucose level. ...Read more

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Is having a fasting blood sugar level of 106 high? (I had two cups of black coffee before the test)

Is having a fasting blood sugar level of 106 high? (I had two cups of black coffee before the test)

Need to retest: Fasting blood sugar test should be done after an overnight fast of at least 8 hours. Do not eat or drink anything other than water. 106 is not too high but by some it may be considered pre-diabetic.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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Fasting blood sugar level was 110. Typically in mid 90s. Was nervous/anxious just prior to test. Could this cause a spike? At home I'm always ~82.

Fasting blood sugar level was 110.  Typically in mid 90s.  Was nervous/anxious just prior to test.  Could this cause a spike?  At home I'm always ~82.

Calibration?: Cortisol has been associated with stress & blood sugar; however, the variations are relatively small & can fluctuate throughout the day. Similar to blood pressure readings, which may rise in the doctors office due to stress, a blood sugar reading in the office should be checked more than once, & taken in context, when deciding to treat it. A hemoglobin A1C can show 3 month average blood sugar. ...Read more

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Fasting blood sugar level is 6.3. The 3 month average test is normal. Does this mean I am pre diabetic?

Fasting blood sugar level is 6.3. The 3 month average test is normal. Does this mean I am pre diabetic?

Impaired: This is called "impaired fasting glucose", and statistically you have a higher than average chance of getting diabetes, hence the term "pre-diabetes". But now is the time to do something about it: weight loss, exercise, healthy living. You can reverse this. ...Read more

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Why is glucose screening test done exactly at 1hr? Does blood sugar level only peak then? After that does it drop or can it increase further?

Why is glucose screening test done exactly at 1hr?  Does blood sugar level only peak then? After that does it drop or can it increase further?

Just a standard way.: Blood glucose testing can be done prior to eating (when you are fasting) and the "1 hour after" is only because it has been done this way for many years and will give a typical indication of your response to eating. It can go much higher in some diabetics and even higher in normal people at an hour after eating. The usual and in my view better indication of your blood sugar status is the HgbA1c ...Read more

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I've been very thirsty at night for the last 2 wks. My non-fasting blood test had blood sugar level of 98. What could cause night thirst ?

I've been very thirsty at night for the last 2 wks. My non-fasting blood test had blood sugar level of 98. What could cause night thirst ?

Thirsty: One cause of night time dry mouth is having nasal congestion, which causes mouth breathing while sleeping. Also, be sure you avoid diuretics (medicines which induce urination) in the hours before bedtime. Lastly, "dry mouth" is sometimes a side effect of a medication. ...Read more

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Is it possible to have normal blood sugar levels and high insulin levels? If blood sugar is normal, do drs routinely test insulin levels?

Insulin resistance: Patients with resistance to insulin, including early type 2 diabetes have high Insulin levels with normal or elevated blood glucose. We do not routinely test for Insulin levels as it is usually not relevant to diagnosis or management. ...Read more

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If you have fasting blood sugar labs of 105 and fasting finger tests of 94, what should your glucose levels be 1, 2, & 3 hours after a carb rich meal?

See below: Lab results are more accurate and are used for diagnosis of diabetes. See this site for information on normal glucose in fasting state and levels after a carbohydrate load http://www.Nlm.Nih.Gov/medlineplus/ency/article/003466.Htm. ...Read more

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What is a healthy blood sugar level?

What is a healthy blood sugar level?

Blood sugar: fating 60-100. 101-125 is elevated over 126 is considered diabetic. ...Read more

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How to raise your blood sugar level?

How to raise your blood sugar level?

Sugar: Hi. Are you talking about diabetes and treating hypoglycemia? I hate to guess. Insulin therapy is the BIG risk for hypoglycemia. But as you would imagine (and your doctor should have told you), treat low sugar with sugar. If you're very low but conscious, use liquid sugar (e.g., juice, sugar soda). If you're unconscious, someone can give you glucagon or call paramedics. Good luck and be safe! ...Read more

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Is 351 a dangerous blood sugar level?

Is 351 a dangerous blood sugar level?

In the long term: Hi. If you run sugars in that range in the long term, then of course it's dangerous...to your eyes, kidneys, nerves, blood vessels, infection risk, amputation risk, etc. Fortunately, in the short term, it's not the least bit dangerous. If you have insulin, it's very easy to treat. If you don't, you should get some! Good luck! ...Read more

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How I can reduce my blood sugar level?

How I can reduce my blood sugar level?

Elevated glucose: Watching simple carbs and doing more physical exercise would help. However if these measures are not enough, one may need medications if glucose stays significantly elevated especially in diabetics. ...Read more

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Best drug to control blood sugar level?

Best drug to control blood sugar level?

Best way lower sugar: Exercise, and low carbohydrate diet. Eating a low sugar and low calorie diet combined with regular moderate exercise is the absolute first thing to do to lower one's sugars. Then medication is determined based upon your blood sugar and health history. ...Read more