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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Will Smoking Marijuana Effect My Test Result?

i smoke marijuana regularly, and i am on a fasting diet for some blood work today. i was told not to eat or drink anything but water for 12 hours. if i were to smoke marijuana now ( 4 hours before the test ) would it effect my results? (i am looking for an answer to my question, not a lecture on the effects of marijuana)
Mon, 9 Jun 2014
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Anesthesiologist 's  Response
In all likelyhood no. It may cause a slight decrease in your blood PH due to hypoxia, but it would not affect your blood work to a point that a physician would miss a diagnosis, or start treating you for something that you do not have.
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Will Smoking Marijuana Effect My Test Result?

In all likelyhood no. It may cause a slight decrease in your blood PH due to hypoxia, but it would not affect your blood work to a point that a physician would miss a diagnosis, or start treating you for something that you do not have.