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A member asked:
Is there a danger to the body if you do a blood test while dehydrated? fyi kidneys hurt.
A doctor has provided 1 answer
Not really: The amount of blood taken is insignificant. Many blood tests can reflect subtle changed due to dehydration or be used to define the its type. (there are 3) Most blood studies wouldn't vary much if you are dry or overhydrated.
Answered 8/23/2017
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