Top answers from doctors based on your search:
Disclaimer

does water affect glucose test

A 52-year-old member asked:
Dr. Philip Kern
42 years experience Endocrinology
Water and glucose: When you drink water, your body gets rid of the excess (through urination) quickly. It is very hard to dilute your blood, and your glucose is not aff ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month
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.
1
1 thank
A 42-year-old female asked:
Dr. Cesar Sturla
34 years experience Internal Medicine
No: Water will not interfere with glucose testing.
A 24-year-old female asked:
Dr. Mansour Alfayez
12 years experience Internal Medicine
You can: Yes you can drink water.
A 22-year-old member asked:
Dr. James Ferguson
45 years experience Pediatrics
Possibilities : By your testing you do not have diabetes mellitus. You can get to this pattern 2 basic ways: you developed a water drinking fetish and your kidneys re ... Read More
A 48-year-old member asked:
Dr. Thomas Knecht
30 years experience Endocrinology
Go in fasting: They're either doing a fasting serum glucose or a glucose tolerance test...either way, you have to go in fasting. They should have TOLD you this! Wate ... Read More
A 35-year-old female asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Making time for: this means that you are making your baby's well being a priority. Even if there is no family history of diabetes -this does not mean that you couldn't ... Read More
1
1 comment
1
1 thank
A 47-year-old member asked:
Dr. Ahmad M Hadied
48 years experience Orthopedic Surgery
See below: General guidelines. For testing blood sugar .Wash hands with soap and warmwater. Dry hands. Prepare the lancing device by inserting a fresh lancet. Pr ... Read More
A 40-year-old member asked:
Dr. David Sneid
40 years experience Endocrinology
The A1c: Test measures your average glucose over the past three months, but is weighted toward the most recent weeks.
A 50-year-old member asked:
Dr. Thomas Knecht
30 years experience Endocrinology
Yes, black only: Hi. Yes, black coffee (no cream, no sugar) is fine before the OGTT for pregnancy

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month