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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Have Kidney Stone, Urine Was Reddish. Can Proteins In Blood Cause A Test To Show Positive For Marijuana?

yes , i had a kidney stone moving around, ann i had to go to my pain dr. for my monthly visit! well each month i have to take a drug test to get my medicine, and when i peed in the cup it was very redish, can the protines in the blood cause a test to show positive for like marjuana, since i dont do street drugs , or smoke that stuff, i dont under stand why the test showed up positive for this, ?????
posted on Tue, 27 Mar 2012
Twitter Fri, 18 Oct 2013 Answered on
Twitter Sat, 19 Oct 2013 Last reviewed on
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General & Family Physician,  's  Response
HI, thanks for using healthcare magic

False positive results for marijuana can occur with some medications such as pantoprazole. In some tests medications such as ibuprofen can cause a falsely positive result.

Protein in the urine would not normally interfere with a drug test for marijuana.

The red discolouration of your urine may be an indication of blood which can be found in infection,as a result of trauma, stones, masses in the urinary tract, inflammatory disease of the kidneys.

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Have Kidney Stone, Urine Was Reddish. Can Proteins In Blood Cause A Test To Show Positive For Marijuana?

HI, thanks for using healthcare magic False positive results for marijuana can occur with some medications such as pantoprazole. In some tests medications such as ibuprofen can cause a falsely positive result. Protein in the urine would not normally interfere with a drug test for marijuana. The red discolouration of your urine may be an indication of blood which can be found in infection,as a result of trauma, stones, masses in the urinary tract, inflammatory disease of the kidneys. I hope this helps