What is the clonazepam? It goes all the way down to .25mg, which is what I started on. When that didn't help, I got a double dose. Maybe take half a tablet 2x a day?
Give the new meds a good few days before they really kick in too.
Lamictal is a mood stabiliser - I'm on Epilim, and I had to again wait about 3 weeks until it was fully effective. i do still suffer from sever anxiety though