I was on klonopin for years but apparently not at those levels. It was by far the most effective anti anxiety med I had found. I feel like I dodged a bullet: my prescribing psychiatrist (requires) never mentioned the symptoms described by OP. Ironically after being off it for over 10 years my life has taken a turn that has made me want to go back on it. But I will absolutely be sharing this story with my Rx. Yikes.