Though it is often associated with recreational substance use, experiments with the drug ketamine have shown that it may possibly help alcoholics "forget" the experience of drinking beer, aiding them in abstaining from alcohol.
Researchers have stressed that the drug will not actually erase memories. Instead, it will effectively "rewrite" the brain, disrupting the reward association that many alcoholics have with beer. Test subjects in a ketamine experiment reported less of a desire to drink and less drinking overall.
Ketamine has also shown promising results when used to treat depression and is also often used as an anesthetic. It is known by recreational users as "Special K."