Drug abuse, also called substance abuse or chemical abuse, is a disorder that is characterized by a destructive pattern of using any chemical substance, including alcohol, that leads to significant problems or distress. Those who abuse drugs and alcohol still have control over their lives. Drug addiction, also called substance dependence or chemical dependency, is identified by an inability to stop using a drug and failure to meet work, social or family obligations. Physical dependence alone does not constitute addiction, but it often accompanies addiction.

After detox, which may last from two to three weeks or more, you should continue on with some form of addiction treatment to learn coping strategies for maintaining sustained sobriety. You will need services like individual therapy, group therapy, family counselling, a 12-step program and relapse prevention training as well as behavioural modification and life skills classes. This phase may take place at a residential treatment centre or outpatient facility.