Hi i am on juvenile probation and today january 9th i took half of a white xanax bar.i was told it takes 3-5 days to leave your system but from what i have heard it takes longer im actually kind of scared to fail a drug test because i do not want to go to jdc again.This was the first time i have ever taken a xanax pill or any pill for that matter and i was wondering how long it takes so you would be able to pass a urine test i have to go in to see my probation office february 5th can anyone help me?