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Can I drink water during fasting for blood test?
I will have a blood test. Can I drink water during fasting for blood test?
1 Answer
Shelley Tabe Arrey
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Registered Nurse, Medically Fragile Pediatrics, Clinical Nurse Educator
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Washington
Yes, please!! If you don't then you will have a false result and possibly not even be able to draw the blood due to dehydration. Please drink plenty of plain (nothing added) water while fasting.