The input-output relationships among the primary, secondary, tertiary and quaternary sectors of the U.S. economy offer some clues about the nature of the sectoral-structural problems.
In brief: Xanax. Hello. IF your liver metabolizes it normally, then xanax should start working within 60-120 minutes. You are very young. Xanax is not something that will be good for you to take long term. Xanax is in a class of medications (benzodiazepines) which are very addictive. It's worse when stacked with opioids (narcotics). Your generation, from the statistics, has the highest risks. Avoid the risks.
Rating Newest Oldest. Best Answer: 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.