Can you give us more info? Are you being asked to switch because of these side effects? Are you tapering off the Xanax, because no two drugs even in the same class work the same and withdrawal from benzos can be a very hard and slow road. And if this drug works and klonopin didn't, given both are addictive and very hard to stop taking and both have the potential to stop working eventually, I don't see the advantage. Now, klonopin is longer acting, but also takes longer to take effect, but you''ve tried it and it didn't work. I also wonder why you're relying on these short-acting drugs instead of trying an antidepressant that if it works will work all the time.