Hi , I took a drug screening, urine test and came back positive for tenazapam , when I ve never taken tenazapam. I m on cymbalta and senna, and colcrys, and duloxetine , pantoprazole, hydroxyzine pamoate, glipizide, lisinipril, humalog, lidoderm! My question is what in my meds would cause a false positive for tenazapam?