Since a holiday is coming and I will be out of my adavan sunday29-of may till the tues the 1st i take 3- 2mg a day for panic attacks and aniexty is it safe for me to take a zanex 1mg to calm me down ! how long will be in my system ? is it safe to say be the 1st of June 2011 it will be out of my system for a ua 1st week of june 1st 2011 ?