[ Law & Ethics ] Open Question : What can I do if drug tests show up positive for drugs that I don’t take, but negative for drugs I do take?

None of the doctors believe me that I’m taking my meds and not doing any drugs because they’re test results say that I’m not taking my meds and am doing other drugs. Clearly, when it comes to me, they’re tests don’t work, but they wont believe me. I’m actually getting kicked out on to the…