I Am Taking 400 Mg Of Lamictal Per Day...I Have

i am taking 400 mg of lamictal per day...I have noticed over the past year that I am constantly moving my legs around and clenching/unclenching my ankles and toes, bending them back and forth. same for my handes and i have developed some intermittent jerkiness/spasm in one of my hands. my dr says that it is unrelated to this medication but i am skeptical