A second type of medication is used to help people remain sober. A recently approved medicine for this purpose is naltrexone (ReVia). When used together with counseling, this medication lessens the craving for alcohol in many people and helps prevent a return to heavy drinking.
Another older medication is disulfiram (Antabuse), which discourages drinking by causing nausea, vomiting, and other unpleasant physical reactions when alcohol is used. (See also Alcohol Alert No. 33: Neuroscience Research and Medications Development.