how long does it xanax to leave system
Xanax half life: how long does Xanax stay in your system. On average, experts define the half life of Xanax at 12 hours. But Xanax half-life can be anywhere from 6-20 hours. Xanax (the brand name for alprazolam) is a short â intermediate acting benzodiazepine, which means that you can feel the effects of Xanax quickly as they peak 1-2 hours after taking it. However, the effects of Xanax but do not last very long, about 6-12 hours.