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can you drink water before a fasting blood glucose test

A 48-year-old member asked:
Dr. Douglas Miller
40 years experience Pathology
Yes: Water is fine before a blood glucose test, but don't eat any food or drink other liquids which might falsely elevate the glucose level in the blood.
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A 24-year-old female asked:
Dr. Mansour Alfayez
12 years experience Internal Medicine
You can: Yes you can drink water.
A 44-year-old member asked:
Dr. Douglas Miller
40 years experience Pathology
Yes: Water is fine; nobody wants you to be dehydrated just for some blood tests, but they don't want you to take any food or other fluids which may elevate ... Read More
A 23-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
GTT: If you are talking about glucose tolerance test, you may drink a little water after the glucose drink. Consult this site for information, especially a ... Read More
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A 29-year-old male asked:
Dr. Susan Arnoult
24 years experience Family Medicine
Not a big deal: The amount of water is not terribly important - 12-16 oz should be fine. Be sure you are fasting (not eating) for the required number of hours.
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A 45-year-old member asked:
Dr. Jacalyn Bishop
19 years experience Pediatric Endocrinology
Yes: Water has no carbohydrates (the part of food that causes a rise in blood sugar) so there is no reason you can't drink it before a blood sugar test.
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7 thanks
A 40-year-old male asked:
Dr. Jack Rubin
47 years experience Nephrology and Dialysis
Fasting Blood Test: Yes, you can drink water and eat no food for your test.
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A 44-year-old member asked:
Dr. Terri Washington
15 years experience Endocrinology
Yes: Plan water no lemon or additives can be taken before a fasting blood test.
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1 thank
A 39-year-old member asked:
Dr. David Sneid
40 years experience Endocrinology
Yes: In fact you should drink a normal amount of non-caloric liquids to avoid becoming dehydrated, which can elevate blood sugar.
A 46-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Yes it can: Pepsi Max does not contain sugar. Pepsi Zero Sugar (previously known as Diet Pepsi Max & Pepsi Max is sweetened with aspartame. Diarrhea is a pos ... Read More

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