Hello, I am looking for information. I have an anxiety problem and my doctor prescribed me Xanax June of 2013. I have taken a few from that inital bottle but still have a few pills left from last June. My partner lost her job in December and this has caused a great deal of stress in the household. She can't sleep and is getting increasingly more depressed from the unemployment. Last night she asked if she could have one of my .5 mg of Xanax to help calm her down. I said ok. Then wouldn't you know it she got a call with a job offer an hour after she took the Xanax and they want her to take a drug test a day an a half after she took that pill. This is the one and only time she has taken a Xanax. I am freaking out because I am reading tons of stuff on the internet about how she may fail that drug test. Is this a viable worry? Or am I worrying for no reason? I feel horrible now I never should have let her take that pill but I cant reverse time. Please any advise would be helpful. Will the drug test pick up on that one .5 mg of xanax?