Doctor insights on:
Glucose Tolerance Insulin
Took two, 3 hour glucose tolerance /insulin tests, one test had low blood sugar AND second test had high insulin both in the 3rd hour. How to treat?
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
I am 25 year old.in glucose tolerance test 0 hr insulin-5.77,1hr-130,2hr-99.sgot-43,sgpt-90.is my liver totally damaged.can't it be reverted?
Not damaged: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, your lab results are not that bad. However, you need to consult a Liver specialist as this issue is not suitable for this forum. Do not drink alcohol and do not take paracetamol or acetaminophen. ...Read more
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
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
Recently bloodwork for fasting insulin. How is this different that a glucose tolerance test or a fasting glucose test?
Different tests: Insulin & glucose are 2 different ways to measure diabetes. Insulin is produced by pancreas to keep sugars under control. We measure glucose to see how well sugars are controlled. Think of glucose as speedometer & Insulin as tachometer (hgba1c is avg trip speed - ask a car nut if this doesn't make sense). Glucose tolerance test requires drinking sugar whereas other 2 tests don't. ...Read more
I have pcos. My glucose tolerance test was perfect. My insulin level was so low it couldn't be found. I was told that's not good. Why is that bad?
It's not good: Or bad -- just a test that should have never been ordered since the test is meaningless in that situation and most labs can't do accurate Insulin levels to begin with. If you didn't have insulin, you would have lapsed into a coma from high glucose levels long ago. The diagnosis of pcos is not made by a GTT or Insulin levels. ...Read more
I am prediabetic with higher blood sugar and insulin levels. L just had a 3 hour glucose tolerance test. Fasting sugar is 63, insulin is 2. Meaning?
Doesn't matter: The numbers aren't really important or valuable. If you're overweight and have high glucose (particularly with a positive family history) you need education, diet, exercise, weight reductio and maybe medication -- not just a diagnosis. The diagnosis doesn't help you get healthier. ...Read more
I am a 38 year old woman with pcos with insulin resistance and impaired glucose tolerance in 2005 I have been take metformin since then I've lost 70 po?
See below: Glucose tolerance, i.e.: normal sugars are fasting<100, 2 hours after eating<140 glucose intolerance, i.e.: not normal = 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 won't get symptoms until frequently or consistently ofter 180; then thirst, frequent urination, hunger. ...Read more
A check for diabetes: The GTT is a way for us to see who is at highest risk of diabetes. It is recommended that everyone be screened during their pregnancy, usually around 24-28 weeks. We will give you a bottle of a very sugary drink. You have five minutes to drink it all! Then a hour later we do a blood test to see how you metabolized the sugar. If you are high risk you may need further testing or treatment. ...Read moreSee 1 more doctor answer
GTT at home: Glucose tolerance testing is done less frequently now a days. You can do your own home version geta home glucose testing kit. Do the 1st blood glucose after an overnight fast, have a very hearty breakfast and do a bl glucose 1 hour and 2 hrs after the breakfast. Your fasting bl glucose should be below 200 if above 200 you do not need to do the test, you have diabetes and the result will not cha. ...Read more
Screen for diabetes: A normal test can help you feel better that you don't have diabetes. An abnormal test can fall into two buckets - either borderline or frankly diabetic. The cutoffs for "abnormal" are different depending on why you had the test. This is a good thing to speak to the ordering physician about. ...Read more
Relax: Just show up, drink the glucola and let them draw your blood. It is not a big deal. ...Read more
Yes: It is reflective of a tendency toward diabetes. It can return to normal, but it should encourage u to habits that normalize your blood sugar and general health. These include diet and exercise. A diet lower in starch (bread, potatoes, pasta, rice, ) and higher in low starch vegetables and low sugar fruits, is healthier for anyone. Some protein w each meal. Daily exercise, do it, anything u will do. ...Read more
Dramatically: Eating with make the results of the GTT useless. ...Read more
GTT is variable: A glu tolerance test is variable, which is 1 reason its not done much. It is hard to compare 2 hr post-glu with 2 hr post-pizza. If your glu were 163 post oral glu, that would be impaired glucose tolerance, which may be what you have. Probably best to focus on what you can do. If fasting glu less than 126 and a1c less than 6.5 you don't have diabetes, yet. Can you improve your exercise and weight? ...Read more
Fail first glucose tolerance test repeated with a fastied 3hour gluclose tolerance with 100mg oral. 1st hr normal 2nd and 3rd is above normal range?
Need more info: Please note that lab results need to be interpreted in the total clinical context and the doctor who ordered the tests is in the best position to do that. Actual values are needed for evaluation and related circumstances, e.g. Are you pregnant? What is your hb a1c level, do you have symptoms of diabetes? ...Read more
11wks preg. Can't keep anything down. Eat700cal/day.(fruit/baked sweets).lost10 pounds!glucose tolerance test170! Idk what to do! Pre preg.Ha1c was4.5?
Obgyn consultation: You will need to see your Obgyn or do a virtual visit to discuss medications to help with pregnancy nausea and vomiting. There are many options. 700 calories a day is quite insufficient. Fruit, baked goods and sweets are not good food choices if you have an abnormal glucose tolerance test. A 3 hr GTT will need to be done. A nutritional consultation would also be useful ...Read more
A form of prediabete: The gold standard for diagnosing diabetes is to drink a very high sugar test drink and measure blood glucose at up to 2 hours after. Normal people will have a 2 hr blood glucose of 200 but for people who are 140-199, the term impaired glucose tolerance is used. This means an increased risk of type 2 diabetes and need for a healthier diet and weight loss ...Read more
Water only: You can have water but nothing else. ...Read more
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 moreSee 1 more doctor answer
Blood draw: Finger stick glucoses aren't accurate enough for the test. ...Read more
Depends: It depends. If you are having the initial 1 hour glucose challenge test performed at 24-28 weeks, you will have bloodwork drawn one hour after drinking the glucola. If you failed the 1 hour sugar test, a 3 hour sugar test would be performed and blood would be drawn before you drink the glucola and at 1, 2 and 3 hours later. ...Read moreSee 1 more doctor answer
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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