Alcohol detoxification, or detox, for individuals with alcohol dependence, is the abrupt cessation of alcohol intake, a process often coupled with substitution of cross-tolerant drugs that have effects similar to the effects of alcohol in order to prevent alcohol withdrawal. Alcohol detoxification, or detox, for individuals with alcohol dependence, is the abrupt cessation of alcohol intake, a process often coupled with substitution of cross-tolerant drugs that have effects similar to the effects of alcohol in order to prevent alcohol withdrawal.