I have bipolar type 1 as well as a case of PTSD. I took Lamictal for some time very successfully combined with many other drugs, such as Risperdal, Prozac, Wellbutrin, and as needed Klonopin for the panic attacks.

I would say it is worth trying. The only reason I quit it is because I couldn't afford my medications any more, otherwise probably would have stayed on it forever.

Best of luck with it. I had great results with minimal side effects (occasional dizziness.)