"i am a 19 year old male prescribed to a 0.5mg dosage of xanax to be taken twice daily. depending on my spouts of anxiety or an occasional panic attack, i either take one or a half of one to calm my state of mind. i try to just take a half of one because this medication can be addicting. i noticed these effects and feelings right after my first intake. it does indeed help suppress my anxiety and panic attacks. due to the addiction prone aspects i&#039;m giving it an 8."