WebMar 9, 2012 · Pseudoephedrine which is the active ingredient in Sudafed and other cold products (and now has to be bought from the pharmacy counter because it is a product they use in the production of methamphetamine and carries limits on the quantities that are bought) can sometimes cause a positive for methamphetamine on urine drug screens. WebApr 1, 2010 · No, your test will show positive to the drug Pseudoephedrine, which is a key ingredient of the brand known as Sudafed. Pseudoephedrine is also the main ingredient to the making of methamphetamine.
Hair follicle drug test: How it works, what to expect, …
WebJul 26, 2011 · Some more commonly prescribed prescription medicines that may cause a false positive reading for amphetamines ... Dextroamphetamine, Ephedrine, labetalol, Methamphetamine, Methylphenidate, Phentermine, Phenylephrine, Promethazine, Pseudoephedrine, Ranitidine, Selegiline, Thioridazine, Trazodone and Trimipramine. ... WebAug 15, 2010 · False-positive results for amphetamine and methamphetamine were the most commonly reported. False-positive results for methadone, opioids, phencyclidine, barbiturates, cannabinoids, and benzodiazepines were also reported in patients taking commonly used medications. daily spiritual practices
If a drug test comes back positive for meth after taking Sudafed, …
WebThe purpose of this study was to evaluate the ability of two amphetamine class screening reagents to exclude ephedrine (EPH), pseudoephedrine (PSEPH), and … Before we get into the medications that can cause a false positive result, let’s discuss what a urine drug test is and why you might have one. Urine drug tests look forthe presence of … See more Many urine drug tests test forthe following medications and substances: 1. THC, or tetrahydrocannabinol, an active ingredient in cannabis 2. … See more Methylphenidate is a stimulant medication used to treat ADHD. Many sources state that methylphenidate can cause false positive results for amphetamines. But research shows this … See more There are a few other medications that may rarely cause false positives. These include labetalol (Trandate), doxylamine(Unisom), … See more WebSep 27, 2010 · False positives are caused by: * Nasal decongestants such as Dristan, Neosynephren, V icks Nasal Spray, and Sudafed, which cause false positives for amphetamines. * Poppy seeds like those on a dinner roll, which cause false positives for … biometric pics