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Doctor insights on: Can I Take Synthroid Before A Glucose Tolerance Test

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Tolerance (Definition)

When one takes a drug, such as heroin or alcohol, repeatedly, 'tolerance' develops because more of the drug is needed to give the same effect on the body/brain; e.g. Liver enzymes r stimulated to metabolize the drug faster and faster. There may be a strong genetic predisposition to addiction, some studies suggesting that 1 of 10 people will become dependent on alcohol or some ...Read more


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My glucose tolerance test came 141. They have advised me to take a 3 hr glucose tolerance test. Am I diabetic? Does my 3 hr test decide everything?

My glucose tolerance test came 141. They have advised me to take a 3 hr glucose tolerance test. Am I diabetic? Does my 3 hr test decide everything?

HB A1C: HBA1C is far more accurate. If you are below 6.5 it is impaired glucose tolerance. I recommend Gluten Free diet focus small frequent meals. If glucose rises during pregnancy, insulin may be needed. Discuss with your doc. ...Read more

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Suffering from pcos but glucose tolerance test 100 mg n fasting sugar tests are normal still can I take metforminam I insulin resistant still?

Yes: Insulin resistance is the basic metabolic cause of pcos, and metformin is generally the best treatment for Insulin resistance and pcos. You want to emphasize diet, exercise and weight loss - plus metformin if indicated- so that you improve your weight and Insulin resistance before your blood sugar gets above normal. ...Read more

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My glucose tolerance test result was 10.8. What should I be doing.

Probably diabetic: A level of 10.8 during the test is just below diagnostic for diabetes. You should do a hba1c, but you have, at the least, impaired glucose tolerance. You should be following a low concentrated sweets diet. If overweight, you need to lose weight. Exercise. You may also need medication based on other lab results. ...Read more

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What is a pediatric glucose tolerance test?

What is a pediatric glucose tolerance test?

A test 4 Diabetes: A GTT is used if there is a suspicion of diabetes. A glucose level is checked 1st, then the person drinks a standardized drink with sugar, and then two hours later the glucose is checked again. If glucose >200 the patient has Diabetes (type II) whereas 140-200 indicates "pre-diabetes" (at high risk for developing diabetes) ...Read more

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Pediatric glucose tolerance test, how is this done?

Easy test: For a glucose tolerance test there will first be a blood draw for baseline glucose. Some doctors include insulin levels and urine test as well. Then your child will drink a concentrated solution of sugar water and have labs drawn hourly for 3 (sometimes 5) hours. The results will show whether blood sugar follows the expected pattern. ...Read more

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What are the normal values for serum insulin in glucose tolerance test (75g) after 60 and 120 minutes?

What are the normal values for serum insulin in glucose tolerance test (75g) after 60 and 120 minutes?

Serum insulin: Levels are very unreliable and of almost no use in a GTT. The labs don't measure them accurately either. Insulin is supposed to increase during a GTT and will go up more if you are overweight and insulin resistant. There are so-called "normals" but they are inaccurate and worthless. ...Read more

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Glucose tolerance test. I was meant to have mine today but I vomited and couldn't have it. How do I find out if gdm?

Glucose tolerance test. I was meant to have mine today but I vomited and couldn't have it. How do I find out if gdm?

Anti-nausea med: I'm assuming you vomited because the glucose solution tastes horrible. Not sure why that can't be corrected, I hear it often. Talk to you OB about repeating the test maybe with an anti-nausea med. May not work but worth a shot. ...Read more

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Non diabetic normal glucose tolerance test A1c between 4.9 to 5.6 but I have dawn phenomenon every morning if I test at 9 hrs fasting why?

Unclear question: What do you mean by "dawn phenomenon"? You are obviously under the care of a doctor to have had glucose tolerance test done, please discuss the issue with your doctor who knows the details of your health. ...Read more

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A few days ago I had a glucose tolerance test. At 0 minutes my bg was 79 and at 120 minutes it has dropped to 63.Does that indicate hypoglycemia?

No: Results of your three hour glucose tolerance test, based on your fasting and three hour levels, would not suggest a diagnosis of hypoglycemia. ...Read more

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Glucose tolerance test negative but every morning I wake up with fasting sugar 104-108. If I eat sugar during day sugar not high. So what do I do?

Glucose tolerance test negative but every morning I wake up with fasting sugar 104-108. If I eat sugar during day sugar not high. So what do I do?

More testing needed: You are prob a pre-diabetic or have a metabolic syndrome. You need further testing to confirm. Ask your doctor for a Hemoglobin A1C test. It gives you the ave blood glucose over the last 3 months. Normal is <5.7, borderline is 5.7-6.4, and 6.5 or higher is diabetes. Start checking your fingersticks intermittently. Some fasting and some 2 hrs after a meal. AM goal is <100, after meal is <180 ...Read more

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Confused. Got 1 touch machine two weeks ago, readings are frequently as high as 20 mmol, but did glucose tolerance test and it was normal?? what do?

Lab test: Glucometer is not used for diagnosis. If you want to know if you have diabetes, ask your doctor to order fasting glucose and an A1c. If bs is over 126 fasting and a1c is over 6.5, then you have diabetes. Good luck. ...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


Dr. Cayce Jehaimi
2,597 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