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Is there a medication which causes the drug test to be negative?

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Posted on Sat, 23 Nov 2013
Question: is there a coldmedication that would cause you to fail drug test for marijuna
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Answered by Dr. Iven Romic Rommstein (42 minutes later)
Brief Answer: Hi and welcome to XXXXXXX Detailed Answer: Thanks for the query. It depends on test,but some NSAIDs( such as ibuprofenum),B12 vitamin or antiacid drugs can cause false positive results. Also, phenylpropanolamine and ephedrine may interfere with test results. However,such false positive results are not common and if there are concerns about reliabilty of test result,this person should be sure that didnt consume marijuana/kanabis and marijuana similar products. Wish you good health. Feel free to ask. regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Dr. Iven Romic Rommstein

General Surgeon

Practicing since :2008

Answered : 13452 Questions

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Is there a medication which causes the drug test to be negative?

Brief Answer: Hi and welcome to XXXXXXX Detailed Answer: Thanks for the query. It depends on test,but some NSAIDs( such as ibuprofenum),B12 vitamin or antiacid drugs can cause false positive results. Also, phenylpropanolamine and ephedrine may interfere with test results. However,such false positive results are not common and if there are concerns about reliabilty of test result,this person should be sure that didnt consume marijuana/kanabis and marijuana similar products. Wish you good health. Feel free to ask. regards