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

Apr 2013
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General Surgeon
Practicing since : 2008
Answered : 9351 Questions
is there a coldmedication that would cause you to fail drug test for marijuna
Posted Sat, 23 Nov 2013 in General Health
Answered by Dr. Ivan R. 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
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