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Showing results for tags 'cotinine'.
I have never smoked, nor have I been around anyone that smokes (and I avoid all smokers outside) My urine test results fell into the "Passive Smoker" level and I wonder which of my meds may have caused it? (methylphenidate, lamotrigine or fluoxetine) . Maybe @browri you'd know (since mikl is gone...)? I'm on very low doses also... This could affect my life insurance so I'm a bit concerned! Edit/Add: I've read that certain meds cause a false positive test for PCP, amphetamines or THC...but for Cotinine /Nicotine?? I've also been taking high level B3/niacin vitamins, sometimes NAC and wonder if that would have an effect?