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Do I need to fast before a diabetes test

A 28-year-old male asked:
Dr. Robert Killian
General Practice 28 years experience
Diabetes: Given your age this is most likely an enlarged prostate due to inflammation or infection. Your family physician can examine and diagnose this. If you... Read More

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A 39-year-old male asked:
Dr. Robert Isaacs
Family Medicine 39 years experience
Fasting blood test: Fasting for 12-16 hours before a blood test is in order to get reliable baseline results for both blood glucose and for lipids, which can otherwise fl... Read More
A 35-year-old male asked:
Dr. Jeffrey Juchau
Family Medicine 33 years experience
Great: Hemoglobin a1c of 5.6 is great. That is normal. If you are a diabetic you are doing awesome, if you aren't you still aren't
Dr. Edward Neilsen
Family Medicine 19 years experience
5.6 is "normal": An a1c of 5.6 is considered normal. This test measures the "sugar coating" of your red blood cells. A value of 7.0 or higher means the average sugar... Read More
A 47-year-old member asked:
Dr. Gurmukh Singh
Pathology 49 years experience
High blood glucose: Fasting blood glucose levels are used to make diagnosis of diabetes. If you do not fast, your glucose levels will be higher and you may get labelled a... Read More
A 23-year-old female asked:
Dr. Raymond Schneider
Family Medicine 46 years experience
Wrong: Fasting sugar may miss 80% of diabetes.
A 22-year-old female asked:
Dr. Mitchell Vogel
Ophthalmology 30 years experience
Call your OB: Please give your OB a call to see if it would be ok. Good luck with your test.
A 37-year-old male asked:
Dr. Robert Killian
General Practice 28 years experience
Fasting: A good solid fast of eight to twelve hours is best for testing for diabetes and cholesterol issues.
A 20-year-old female asked:
Dr. John cuong Doan
Family Medicine 18 years experience
You were still: likely to have low blood sugars that caused the "shakiness"... I suggest you see an endocrinologist for further testing which may not be available to... Read More
A 37-year-old male asked:
Dr. David Liu
Internal Medicine and Pediatrics 19 years experience
Not a standalone: The plac test by itself should not be used to determine risk; it should be used with other tests and factors, such as you mentioned, to determine your... Read More
A 29-year-old female asked:
Dr. Wendy Askew
Obstetrics and Gynecology 24 years experience
No, but: Some doctors do have their patients fast for their 1hr glucola tests (my office does), but it is not necessary. No, not all patients with pcos will b... Read More

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