Sudafed False Positive For Methamphetamine

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what causes a false positive for methamphetamine
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In recent times I have taken Oxycontin, Oxycodone, Valium, Soma, Testosterone, Nexium, Amlodipine, Fenofibrate, Chantix, Aspirin, Sudafed, Nasal Spray, Lidoderm Patches, Voltaren gel, NyQuil, milk of magnesia, metamucil, Whey Protein and Multi vitamins. Why is it coming up as a dirty urine? ## The nasal spray can make a false positive for meth. Not sure about " Crystal" meth. But just the basic methamphetamine yes it will. ...
Updated 2 months ago in Oxycodone.
Wed, May 20 '15, 3:27 PM
a false positive drug screen methamphetamine
3 Replies RSS
How do you prove you only take sudafed when you show a false positive drug test for methamphetamine and you never did drugs except sudafed 120mg 2x daily non drowsy ## Ask for a GC/MS confirmation test. It's the "gold standard" use the gas chromatography mass spectrometry method....... Will show negative for meth if you didn't do methamphetamine, or consult a MRO (medical review officer) , doctor trained to interpret drug tests. ## Nice try. Only taking sudafed will not show up as anything. Your caught! Sudafed needs to be chemically altered in order to become meth!!!!! Therefor if it showed up as meth, IT MEANS YOU DID METH! Any further bull sharting will only make you look dumb. If sudafed only by itself showed up as meth than you are an alien and need to be deported b... ...
Updated 10 months ago in Methamphetamine.
Fri, Sep 19 '14, 5:19 AM
False Positive On Drug Test for meth
107 Replies RSS
I took a urine drug test for my job they said it came back possitive for meth but I dont use meth. Id just been real sick the whole week before and took alot of diff. Meds to break da fevers and my bad coughf what could have came up possitive? ## Well, I can't check the specific medications, since you didn't list what you took, but there are some cold remedies on the market that can give false positives for Methamphetamine. Some examples would be: NyQuil, Tavist-D, Sudafed and Dimetapp. Can you post back with more information on what you took? If so, I'll gladly check them for you. ## I also got a false positive for methamphetamines on a drug test after taking perscription Nalex-A , a decongestant. Is there some response from the company that can clear my name and save my JO... ...
Updated 8 days ago in Methamphetamine.
Mon, Jul 20 '15, 12:46 PM
what over the counter medication can cause false positives
3 Replies RSS
I am clean but probation says i tested possative for Methamphetamine. what med or combination could have caused it ## I have heard that sudafed (pseudo ephedrine) can cause false positives for meth. Google it and see what you come up with but I have heard this more times than I can count. I don't have any experience since I never take cold/sinus medication. Too many I am allergic to so I stay away from all of them. Good luck and let me know what you find out. It's crazy, but it seems the more "scientifically correct" these drug screens get the more false positives come back for various drugs. Its not fair to a lot of people and you would THINK your doctor would know about other drugs that can generate false positives.....but, they don't seem to know or they just don... ...
Updated 19 days ago in Sudafed.
Thu, Jul 09 '15, 5:39 AM
sulfamethoxazole-tmp ds/possible drug screen false positive
1 Reply RSS
I am taking this medication along with levothyroxine for my thyroid and xanax for anxiety. Is it possible that these drugs mixed together along with sudafed can cause a false reading for methamphetamines on a swab test? ## It is highly possible that it was just caused by the Sudafed. The Pseudoephedrine in some of their formulations has been known to cause false positives for various types of Amphetamines, including Methamphetamine, since it is actually a distant relative. Are there any other comments or questions? ...
Updated 3 years ago in Sulfamethoxazole.
Sun, Sep 25 '11, 11:36 AM

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