Substance abuse treatment takes place in a wide variety of distinct treatment settings with a variety of different treatment approaches. For example, some substance abuse treatment can be carried out on an outpatient basis, where the person will typically receive treatment during the day but is allowed to return home daily. Other substance abuse treatment requires the person to stay in a hospital or residential facility during the entire course of treatment, which is especially helpful in handling more severe cases of addiction. Inpatient and residential substance abuse treatment can be done on a short term or long term basis, depending on various circumstances which can be different for each person. Most substance abuse treatment will focus on getting the individual physically rehabilitated, and then concentrate on underlying psychological and emotional issues which will help them avoid relapse in the future.

Drug or alcohol treatment programs which are provided on an outpatient basis are readily available to addicted people who have circumstances which prevent them from being able to participate in an inpatient treatment facility. An outpatient drug and alcohol treatment program delivers many of the same services as an inpatient program, but allows for flexibility as opposed to an inpatient drug or alcohol treatment facility where the person is expected to stay and reside at the rehab program until treatment is complete. Outpatient drug rehab is also available for individuals who have already gone through residential or inpatient treatment but require a comprehensive aftercare and relapse prevention program which will provide additional support and therapy to help them avoid relapse.