I have been on Clonazepam for 16 years for anxiety, and it seems like I have developed a tolerance to it (Shocking after just 16 years, I know... ) Ativan was an unpleasant replacement. It made me very lethargic and I had to take it like 3-4 times a day, not as needed like with Clonazepam. I also experienced amnesia within the first 3 days use it. Is Xanax a viable alternative or will i likely already have a high tolerance to it because of the long-term usage of Clonazepam?