WebFalse results; False positive results, which apply primarily to IAS testing, can be due to cross reactivity with drugs or foods False negatives can be… The basic IAS that is used for workplace testing in the US includes: Cocaine ; Amphetamine ; Opioids (codeine,… Methamphetamine: Acute intoxication …such a "tox screen" have little clinical utility. WebSep 6, 2024 · Herbs that can cause false positive drug test Furthermore, consumption of foods containing hemp products such as hemp-seed oil has resulted in positive drug test for MMJ. ... Sudafed can cause false positive for amphetamines or methamphetamines. Therefore, it is advisable to avoid using Sudafed for at least 48 hours before a drug test ...

FALSE POSITIVE AMPHETAMINE - UpToDate

WebUsed for sinus and nasal congestion, pseudoephedrine (Sudafed) may cause false positive test results for amphetamine or methamphetamine. 4. Phentermine. Phentermine (Adipex-P) is FDA-approved to help some people lose weight. It works by lowering your … WebSudafed or pseudoephedrine for nasal or sinus congestion can result in a false positive for amphetamine and methamphetamine. The key ingredient of over-the-counter … how do you say demanding in spanish

What Causes a False-Positive Drug Test for Meth? Healthfully

WebThere are many well-demonstrated causes of amphetamine false positives on both urine drug screens and the confirmatory GC/MS. 1-4 Common medications that may produce … WebApr 22, 2010 · Thanks for the input... Well some medications as i listed above can cause False Positive result, irrespective of the method, swab or urine test, Most commo include Nyquil, Contact, Sudafed, Allerest, Tavist-D, Dimetapp, etc) Phenegan-D, Robitussin Cold and Flu, Vicks Nyquil Over-the-counter diet aids with phenylpropanolamine (Dexatrim, … WebWhich Drugs Can Cause False Positives For Amphetamines? Specifically, the following over-the-counter medications have been reported to cause false-positive for … how do you say delete in spanish