A 37-year-old member asked:
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i've got a glucose blood test tomorrow morning and have to fast 10 hours before and was wondering whether you can drink water?

1 doctor answer
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 your blood sugar.
Answered on Oct 21, 2020

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Related questions:

A 41-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.
1
1 thank
A 28-year-old male asked:
Dr. Milton Mintz
A Verified Doctor answered
A US doctor answered Learn more
A fasting blood: Sugar of 265 indicate diabetes- see your pcp as soon as possible!
A 46-year-old member asked:
Dr. David Sneid
40 years experience Endocrinology
Dehydration: Can increase blood sugar if you have diabetes. Water intake will temporarily dilute your blood sugar level, but only for a very, very short time befo ... Read More
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A 33-year-old member asked:
Dr. Michael Sparacino
36 years experience Family Medicine
See below: It lowers it through dilution.

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