If you get a false positive for. Webin some cases, it's possible to get a positive test result even if you don't take amphetamines. Webtherapeutic use of bupropion appears to be the most frequent cause of false positive urine drug screens for amphetamines in our population.

'cross react'), resulting in a 'false positive'. Webaug 8, 2024 · official answer. Test results may come back positive if you. This is called a false positive. Webapr 2, 2018 · often times, drugs that are not being tested for can react with the wrong antibody (i. e.

Webapr 2, 2018 · often times, drugs that are not being tested for can react with the wrong antibody (i. e.