It can be a very dangerous drug, but also a very necessary drug. For those who need it, Xanax will actually sharpen their senses. Make them more alert, more focused, and less clutter-minded.
If you don't need it, and take it as a recreational drug, the effects are the opposite. Complete amnesia, depression to the point of slurring words, getting "fucked up as shit", etc....
Xanax is the most misunderstood drug on the planet, in my opinion. More so than cannabis. Xanax has a completely bad rap, when in reality, the only bad effects come from misuse and abuse. Just my opinion though.
The same opinion applies to cannabis. Most of its bad rap comes from misuse and abuse. Not responsible use.