Suggest Remedy For Facial Tic While On Cymbalta, Wellbutrin And Lamictal

i am taking Cymbalta 90 mg/day Wellbutrin 300xl/day and Lamictal 400 mg/day. recently i have developed a facial tic. I ve always had a very slight tic but it has now grown much worse. I have also been taking the above mentioned medications for several years. Do you have any idea whether the tic is related and how do I discontinue the Lamictal