The Top 10 Richest Companies in the World will teach us why they are in a position to earn in billions while their counterparts are still dealing with millions. Beginner or an experienced, all aim to become an entrepreneur like them and to reach the heights which these companies have set.
Answers. Best Answer: Alprazolam (xanax) has a half life of 6 - 12 hours so half of the drug will be gone in about 9 hours and then it will be down to a quarter of your dose in 18 hours etc. It should be completely undetectable within 3 - 5 days.
Answer by snappies (579). Xanax can stay in your system for one to three days after you take it. It will show up in a urine test for that long and maybe a day or two longer. If you are taking a urine test plan on not taking xanax for up the four days, unless you have a perscription for it.