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Doctor insights on: Drinking Water Before Fasting Blood Test

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Can i drink water before a fasting blood sugar test?

Can i drink water before a fasting blood sugar test?

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. ...Read more

Drinking Water (Definition)

Drinking water has been processed to remove impurities and contaminants, and is ...Read more

Dr. Lester Thompson
Board Certified, Pathology
27 years in practice
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When fasting for 12 hrs to do a blood test can u drink water ?

When fasting for 12 hrs to do a blood test can u drink water ?

Fasting Blood Test: Yes, you can drink water and eat no food for your test. ...Read more

Dr. Lester Thompson
Board Certified, Pathology
27 years in practice
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Managing Low Blood Sugar (Checklist)

Avoid skipping meals
Once
Eat protein-rich snacks every 2 hours
Daily
Keep fruit with you at all times if you feel hypoglycemic
Once
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When fasting for metabolic blood test can I drink water?

Yes: Plan water no lemon or additives can be taken before a fasting blood test. ...Read more

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

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

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. ...Read more

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Managing Low Blood Sugar (Checklist)

Eat complex carbohydrates with protein
Once
Eat before you feel tired or nauseous
Once
Have glucose available if blood sugar is too low
Once
Board Certified, Pathology
27 years in practice
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Will drinking decaf black coffee before fasting blood test alter the results?

Yes: Could depending on the test, if is blood sugar or chol then coffee could make an impact. ...Read more

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Managing Low Blood Sugar (Checklist)

Eat breakfast within 30 minutes of waking up
in the morning
Eat small high-protein meals / snacks of 125 cal
every 3 hours
Eat lunch on a regular schedule
daily
Eat an extra snack before exercise (100 cal)
once
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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?

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. ...Read more

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Dr. Lester Thompson
Board Certified, Pathology
27 years in practice
1.0M people helped
Continue
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