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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does Intake Of Doxycycline, Phenazopyridine And Codine Show Positive Test For Marijuana?

Hello I just took a urine test for a job, and received a call for the lab that I had a positive reading for marijauna. The last time I smoked was january 10th. The test I took was on february 23rd. I was precribed some Doxycycline, Phenazopyridine, & Acetaminophen/codine, a while back that I stopped taking when I started felling better,but jus recently begin to take again, because the symtoms started to reoccur. I felt nausiated when I took the medicine with the codine, so I started taking ibuprofen 200mg for pain.
posted on Fri, 14 Mar 2014
Twitter Tue, 21 Oct 2014 Answered on
Twitter Tue, 21 Oct 2014 Last reviewed on
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Pathologist and Microbiologist,  's  Response
Hi....I m Dr.Kumarbhargav....
I understood your query...
Regarding testing for marijuana...urine.....surely....Ibuprofen....non steroidal anti inflammatory drug can give...false positive...test....for marijuana.....also.....acetaminophen/codeine...combination...might...interfere...with testing....so i think....you...need to consult the authority...about medication...you are taking....go accordingly.....
Thanks.....for contacting ....health care magic.....all the best...for job...
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Does Intake Of Doxycycline, Phenazopyridine And Codine Show Positive Test For Marijuana?

Hi....I m Dr.Kumarbhargav.... I understood your query... Regarding testing for marijuana...urine.....surely....Ibuprofen....non steroidal anti inflammatory drug can give...false positive...test....for marijuana.....also.....acetaminophen/codeine...combination...might...interfere...with testing....so i think....you...need to consult the authority...about medication...you are taking....go accordingly..... Thanks.....for contacting ....health care magic.....all the best...for job...