http://www.medications.com/effect/view/29150 My chronic pain has really increased since being on Lamictal for 15 months for bipolar. I have had fibromyalgia for years. The bipolar developed after that. Since starting Lamictal, I have developed headaches so severe that I have been off work 3 times i Mon, 07 Apr 2008 02:28:25 -0400 http://www.medications.com/effect/view/29150?item=6770 Hi Rosslyn. I have a 20+ year history of migraines and have severe back pain problems as well. When I went on Lamictal, I tapered up to a dose of 400 mg a day. Because I was on so many medications and most of them I had to take at night, I asked my doct http://www.medications.com/effect/view/29150?item=6770