The diverse drug and alcohol abuse rehabilitation programs which are available to alcohol and drug addicted people in Gretna, Virginia can differ in many various ways. Some substance abuse rehab programs are conducted in a residential or inpatient setting, where individuals remain for the duration of their treatment which provides a more therapeutic rehabilitation setting. Others offer drug and alcohol abuse rehab services on an outpatient basis which provides a sense of versatility, although outpatient programs are not always an appropriate alcohol and drug abuse rehabilitation service for people in Gretna, Virginia who are having difficulties with serious addiction difficulties. Whether inpatient or outpatient drug and alcohol abuse rehab services are chosen, there are varying amounts of time that people will be asked to continue to be in the drug and alcohol treatment program. For instance, quite a few short-term programs provide programs for a month or less, whereas long-term facilities will call for at least a 90 day stay.