Doctor insights on:
Hemoglobin A1c Can I Eat Before Test
What to do if i had a random glucose test ->77 mg/dl, after working out . My glucose rises to 165 after eating pasta.?
Could be normal: Hi. If you're worried about diabetes risk, get tested. It's easy: fasting serum glucose, random serum glucose, A1c, or oral glucose tolerance test; each has its own diagnostic criteria. In the meantime, of course eat healthily and exercise regularly for life. Good luck! ...Read more
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?
No: It will not affect your fasting lab results. All the best. ...Read more
I am diabetic, I take Metformin at supper time, is it better to take it before I eat dinner or after I eat dinner, with reference how my blood sugars will be 2 hours after I eat when I check my blood sugars. Thanks?
Yes: One cup won't change your results.Get a more detailed answer ›
What to do if I have high blood sugars after 12 hours fasting then normal after I eat what does that mean?
Dysglycemia: Has an A1c level been checked yet? ...Read more
Fasting Blood Test: Yes, you can drink water and eat no food for your test. ...Read more
I've got a glucose blood test tomorrow morning and have to fast 10 hours before and was wondering whether you can drink water?
Depends on the test.: If you are checking fasting blood glucose, you should ideally fast for 6 hours. If you are getting a glycated hemoglobin (hba1c), fasting or non-fasting state des not affect the test since the test is a indirect calculation of the average blood glucose for 90 days by measuring carbohydrate molecules attached to the red blood cells, which cycles within our body on the average of every 90 days. ...Read moreSee 1 more doctor answer
After overnight 10h fast, glucose fasting 5.1, A1C 5.4. But if I don't eat enough by aftern, I get weak & hands shake. So I have low bl s problem? =(
Don't fast too long,: Your glucose readings seem OK, but do not fast too long, as this could be due to a low blood sugar from not eating. I don't know your history, but try to eat something if you feel like this, especially after a 10 hr fast. If these symptoms persist, see your doctor for an exam and tests, and check your glucose with a meter if you have one at the time of symptoms. Best of luck. ...Read more
Taking fasting gluc tomorrow. Should I eat carbs 12 hrs before the test to better "test" my endocrine system? Is test meaningful w/out carb intake?
Doesn't matter: just don't take in any calories of any kind for 12 hours before test, as directed. ...Read more
In 2 days I have an appointment to do my 1 hr glucose test at 29 weeks pregnant, do I need to fast for this test?What foods are acceptable 48hr before
1 hr. glucose test: Call you doctor who prescribed the test and ask for instructions re: fasting and what to eat before. ...Read more
I have confirmed sugar in urine. Fatigue. Feeling faint with physical activity. Blood sugar is normal. 96 two hours after eating. 88 i'n mornings. Have to wait two weeks to see dr. What should I do i'n meantime?
Took antibiotics few weeks for sinuses- done. Scared to eat some foods due to stomach upset now think im anemic, what foods high in iron can i eat?
? Bacterial insufficiency: Your digestion depends so much on bacteria that have an important part to play. Not all bacteria are infectious agents. We have healthy bacteria in the intestine and antibiotics sometimes will kill these and leave you with indigestion. Go to a health food store and ask for a dietary supplement that supplies the healthy bacteria ...Read more
Short answer: The test measures indirectly measures glucose control over the preceding 6-8 weeks. It does not measure sugar directly; therefore i would believe it not to be necessary to fast prior to the test. However, the best way to answer this question is to call the lab where you go to have the blood drawn and ask them directly whether you need to fast for the test. ...Read more
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