Eligibility Criteria:
Inclusion Criteria:
* Ages 21-65.
* Meet DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, 5th edition) diagnostic criteria for AUD, as assessed by the Structured Clinical Interview for DSM-5 (SCID-5).
* Currently not engaged in, and does not want treatment for, AUD.
* Currently not taking any medication for AUD.
* Able to read and understand questionnaires and informed consent.
* Lives within 50 miles of the study site.
* Physically healthy with no history of significant medical illness.
* Negative urine drug screen (UDS) for all substances of abuse prior to taking the first dose of medication.
Please contact clinical site for additional inclusion criteria.
Exclusion Criteria:
* Refusal of valid written consent.
* Insufficient English skills for consenting or interviews.
* Severe claustrophobia or morbid obesity that preclude placement in the MRI scanner.
* Contraindications to MRI scanning, ferrous metal in the body including intracranial, intraorbital, or intraspinal metal, pacemakers, cochlear implants or other non-MRI-compatible devices.
* History of head injury with loss of consciousness for more than 2 minutes, neurological illness, or history of neurosurgical procedures.
* Current DSM-5 diagnosis of any other substance use disorder except Nicotine Use Disorder.
* Current DSM-5 psychotic, mood, anxiety, obsessive-compulsive, trauma-related, or eating disorder, as assessed by SCID-5.
* Current suicidal ideation or homicidal ideation.
* Current use of any psychoactive medication, as evidenced by self-report and UDS.
* History of severe alcohol withdrawal (e.g., seizure, delirium tremens), as evidenced by self-report and assessment with Clinical Institute Withdrawal Assessment for Alcohol-Revised (CIWA-Ar).
* Clinically significant medical problems such as cardiovascular, renal, gastrointestinal, or endocrine problems, as evidenced by medical history and physical exam.
* Past alcohol-related medical illness, such as gastrointestinal bleeding, pancreatitis, or peptic ulcer.
* Current or past hepatocellular disease, as indicated by verbal report or elevations of alanine aminotransferase (ALT) or aspartate aminotransferase (AST) greater than 3 times the upper limit of the normal range at screening.
* Females of childbearing potential who are pregnant (by plasma or urine HCG), nursing, or who are not using a reliable form of contraception.
* Current charges pending for a violent crime (not including DUI-related offenses).
* Currently incarcerated.
* Lack of a stable living situation.
* History of head injury with loss of consciousness for more than 2 minutes, neurological illness, or history of neurosurgical procedures.
* Decisionally challenged.