Dependency drug or alcohol

Dependency drug or alcohol

Repeated use of a psychoactive substance or substances, to the extent that the user is periodically or chronically intoxicated, shows a compulsion to take the preferred substance (or substances), has great difficulty in voluntarily ceasing or modifying substance use, and exhibits determination to obtain psychoactive substances by almost any means.Typically, tolerance is prominent and a withdrawal syndrome frequently occurs when substance use is interrupted.