https://rxchat.com/Discuss/False-positive-result-238542_s2.htm?utm_source=forums_posts&utm_medium=RSS&utm_campaign=RSS My 18yr old son got a false positive result from his PO on prob. for marj. My son swears he did nothing. He was ill with Mono when he tested. Took advil for the pain before going to his GP the day after. Can either the illness of advil give a false positive result. Currently in DOC with no bond - Filed in Advil en-us Copyright 2026 RxChat.com. All Rights Reserved. Wed, 28 Nov 2012 04:21:36 GMT 60 https://rxchat.com/images/mc_logo.png https://rxchat.com/Discuss/False-positive-result-238542_s2.htm?utm_source=forums_posts&utm_medium=RSS&utm_campaign=RSS https://rxchat.com/Discuss/False-positive-result-238542_s2.htm?utm_source=forums_posts&utm_medium=RSS&utm_campaign=RSS#r_262797 https://rxchat.com/Discuss/False-positive-result-238542_s2.htm?utm_source=forums_posts&utm_medium=RSS&utm_campaign=RSS#r_262797 Actually yes, the <a href="https://rxchat.com/Drugs/Ibuprofen/" target="_blank">Ibuprofen</a> in the <a href="https://rxchat.com/Drugs/Advil/" target="_blank">Advil</a> has been known to cause false positives for the THC in marijuana on the less expensive, non-certified tests. <br/> <br/> Did they happen to send it out to a lab for confirmation? <br/> <br/> Learn more <a href="https://rxchat.com/wiki/Drug_test/" target="_blank" rel="nofollow">drug testing details</a> here. Wed, 28 Nov 2012 04:21:36 GMT