I have been prescribed anti-psychotics at times because they had antianxiety effects. I would not worry about the label--different medications can be used for different purposes. Good luck!
I tried the clonazapam and was on it for a couple of years and never got addicted to it. It is an anti convulsive med. So I wouldn't be freaked that the new one is anti psych. I would worry seriously about weigt gain. I put on some weight when I took mine.
I can see where you are coming from in terms of anti-psychotic sounding scary but if the meds work then by all means, go for it!
I have suffered from extreme anxiety and depression as well as panic attacks for years and I if I could find something to make that stop, I would relish it!