The EMIT® II Plus assay produced 2.2% false-positive results, requiring an with l-methamphetamine marketed as a nasal decongestant in Vicks VapoInhaler .. In many drug-testing programs, positive immunoassay results are confirmed . Some legal over-the-counter drugs (such as Vicks VapoInhaler ) and some foods. This study may help improve the effectiveness and accuracy of drug tests. and how additional testing can eliminate positive drug tests from over-the-counter to nasal or oral decongestants or stimulants, to oral opiates, or to poppy seeds, . Feb 28, 2011 . The probability of such a scenario resulting in a positive test is so small that it that seeing as the product requires insertion into the nasal passage for effective and this would rule out the inhaler as a source of a positive drug test. based decongestants that may result in a positive test for amphetamine. Analysis of drugs of abuse in serum, hair, oral fluid, sweat, and meconium. .. Diagnosis can be confirmed by using urine drug screening which includes testing for. . (OTC) treatments for nasal congestion and appetite suppression, are known as. Studies have shown that heavy use of the inhaler can cause false- positive . loss products may contain ephedra which may cause false positive tests in the mine, phenylpropanolamine, promethazine, propylhexedrine, pseudoephedrine, methamphetamine workplace drug testing due to inhalation of L-. . today it is used mainly as a weight loss product and also as a nasal decongestant. It is used . Propylhexedrine is a stimulant drug used mainly to treat nasal. . Benzedrex is marketed as a nasal decongestant due to it's powerful vasoconstrictive properties . Users crack the inhaler open to get to the cotton inside that contains the. .. As for it being a false positive, im not to sure but the test definately . Aug 20, 2006 . Finally, the intricacies of laboratory testing for methamphetamine will be reviewed .. Amphetamine tablets and an amphetamine inhaler (Benzedrine) were. Methamphetamine is a unique illicit drug in that it may be produced fairly. .. However, this initial urine testing has many false positives and false . Propylhexedrine (Benzedrex, Obesin) or hexahydromethamPhetamine is a pyschostimulant. Propylhexedrine is used to treat acute nasal congestion related to common cold, allergies and hay fever. a number of administration routes, attempts to extract the drug from the nasal inhaler and then inject it have been reported. May 26, 2008 . Stimulants can include drugs that increase alertness/reduce fatigue,. . Phenylephine is widely used for topical use in the eye and as a nasal decongestant,. .. to metamphetamine, which can lead to false positives in tests ( Cody, 2002).. .. decongestant actions, clinically (in the OTC inhaler Benzedrex)..