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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can We Drink Water Overnight If You Are Having Fasting Bloods ?

can we drink water overnight if you are having fasting bloods taken the following morning?? can we drink water overnight if you are having fasting bloods taken the following morning??
Tue, 22 Dec 2009
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  Anonymous's Response
's  Response

Standard rules dictate that in order for the sample to be "fasting", you must not have had anything to eat or drink from 8-12 hours. At least 8 hours, but not more than 12, or you run the risk of dehydration or fainting. To help counteract that, make sure you drink plenty of water. This will not in any way jeopardize your test results and will make your veins easier to find.
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Can We Drink Water Overnight If You Are Having Fasting Bloods ?

Standard rules dictate that in order for the sample to be "fasting", you must not have had anything to eat or drink from 8-12 hours. At least 8 hours, but not more than 12, or you run the risk of dehydration or fainting. To help counteract that, make sure you drink plenty of water. This will not in any way jeopardize your test results and will make your veins easier to find.