Will adipex give a dirty urine and for what?

Yes, adipex (phentermine) can produce false positives on Urine drug screens. It can cause false positive test results for amphetamines or methamphetamines in some urine drug tests. Therefore, If you are taking adipex, it is important to inform your healthcare provider, urine drug testing facilities and employers about your medication use to avoid any misunderstandings or misinterpretation of your test results.