8. Subjects on a stable dose of their current psychotropic medication for at least 3 months before entering the study, with the understanding that they must remain on a stable dose throughout the trial. If a subject chooses to taper off their current medications, they will be closely monitored by the study psychiatrist and must be medication free for 2 weeks prior to beginning the study. Additionally, if a subject is currently taking a medication with a known drug interaction with Divalproex Sodium, he/she will be tapered off of that medication under the supervision of the study psychiatrist before undergoing treatment.