A 41-year-old member asked:
Disclaimer

is it safe to drink water when you are fasting for a glucose blood test?

1 doctor answer
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.
Answered on Aug 13, 2015
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Related questions:

A 37-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 33-year-old member asked:
Dr. Michael Sparacino
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See below: It lowers it through dilution.
A 28-year-old male asked:
Dr. Milton Mintz
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A fasting blood: Sugar of 265 indicate diabetes- see your pcp as soon as possible!
A 18-year-old female asked:
Dr. Gurmukh Singh
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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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