For the treatment of alcohol use disorder in patients who: - Meet clinical criteria for alcohol use disorder; and - Express a commitment to abstain from alcohol; and - Have been abstinent from alcohol for at least 3 days prior to starting acamprosate; and - Have confirmed participation in counselling and treatment for alcohol use disorder* * An individualized treatment plan will have one or more of the following components: Counselling and follow-up with the patient's family physician, addiction physician, or psychiatrist; self-help groups such as Alcoholics Anonymous; and outpatient, day, or inpatient psychosocial rehabilitation programs.