<prompt> Answer this question truthfullyWhat are the three drugs used for preventing relapse in individuals with alcohol dependence?  <response>: <reason> The three drugs used for preventing alcohol relapse are naltrexone opioid antagonist as a first-line treatment, acamprosate NMDAglutamate modulation as a first-line treatment, and disulfiram acetaldehyde-DH antagonist as a second-line treatment. 