Behavioral Therapy Plus Naltrexone for Alcoholism

Inclusion Criteria: * Meets criteria for alcohol dependence, has not had more than one previous inpatient medical detoxification. * Consumes on average five standard drinks per day. * Able to maintain sobriety for five days (with or without the aid of detoxification medications) as determined by self-report, collateral report, and breathalyzer measurements. * Able to read and understand questionnaires and informed consent. * Lives within 50 miles of the study site. Exclusion Criteria: * Currently meets criteria for any other psychoactive substance dependency disorder. * Ever abused opiates. * Used psychoactive substance abuse, except marijuana, within the last 30 days as evidenced by patient report, collateral report, and urine drug screen. * Meets criteria for disorders of major depression, panic disorder, obsessive-compulsive disorder, post-traumatic stress syndrome, bipolar affective disorder, schizophrenia, or any other psychotic disorder or organic mental disorder. * Meets criteria for dissociate disorder or eating disorders. * Has current suicidal or homicidal ideation. * Need for maintenance or acute treatment with any psychoactive medication including antiseizure medications. * Current use of disulfiram (Antabuse). * Clinically significant medical problems that would impair participation or limit medication ingestion. * Hepatocellular disease. * Sexually active females of child bearing potential who are pregnant, nursing, or who are not using a reliable form of birth control. * Have current charges pending for a violent crime. * Does not have a stable living situation and a reliable source of collateral reporting. * Has taken an opiate antagonist drug in the last month.