When I was first diagnosed Lamictal was the first medicine they put me on. At about 50 mg is when I noticed the changes in my mood, and realized that I truly was suffering from BP. I am currently on 400 mg, and have been for a long time along with anti-psychotics over the years.

BP 1-mixed episodes/OCD

Lamictal 400 mg
Haldol 3 mg
Latuda 40 mg
Klonopin 1 mg
Sonata