4. Meets the following drinking criteria, measured by TLFB: a. drink within 30 days of starting pharmacotherapy treatment, b. reports a minimum of 48 standard alcoholic drinks (avg 12 drinks/wk) in a consecutive 30-day period over the 90-day period prior to starting pharmacotherapy (i.e., a minimum of 40% days drinking), and c. has 2 or more days of heavy drinking (defined as 5 or more drinks per day in males and 4 or more drinks per day in females) in this same pre-treatment period. [Note: To be a subject in the study, the patient must have been drinking enough in the 90 days before the trial so that a baseline exists in order to then measure reductions in drinking during the trial.]