The different substance abuse treatment services which are accessible to alcohol and drug addicted individuals in Greenwood can differ in a lot of different ways. Some substance abuse treatment services are offered in a residential or inpatient setting, where clientele remain for the duration of their rehab which provides a more conducive rehabilitation setting. Others provide alcohol and drug abuse rehabilitation services on an outpatient basis which provides a sense of flexibility, though outpatient centers are not always a suitable drug and alcohol abuse treatment service for individuals in Greenwood who are having difficulties with long term drug addiction difficulties. Whether inpatient or outpatient drug and alcohol abuse treatment services are chosen, there are varying lengths of time that men and women will be expected to continue to be in the drug and alcohol rehabilitation program. For instance, many short-term programs provide programs for 4 weeks or less, whereas long-term facilities will call for at least a 90 day stay.