Possibly: Xanax has a half-life of 6-26 hrs. Other factors are your body's metabolism rate, fluid intake and other factors. Urine detection/positivity for alprazolam (Xanax) can range from 1-6 weeks. However, with just one dose, an estimate of 6 days is a likely possibility for positive detection in urine.
Answered 11/27/2017
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