I put on a lot of weight, not sure if it was Lamictal or something else but it took me a year to lose almost 30 pounds. I'm still not at the weight where I was before I became disabled, I'm like...5 pounds off, but working out and dieting made a huge difference and was worth the effort.

So I would recommend starting an exercise routine and watching what you eat. I was doing about 3 miles a day. Its hard to lose weight gained from medication but its not impossible. I also found protein shakes to be helpful.