The different alcohol and drug abuse treatment programs which are available to alcohol and drug addicted people in Westfield can differ in several different ways. Some substance abuse rehabilitation services are offered in a residential or inpatient facility, where clientele remain the entire time they are in rehabilitation which supplies a more therapeutic rehabilitation environment. Others offer alcohol and drug abuse treatment services on an outpatient basis which provides a sense of versatility, though outpatient facilities are not always an appropriate alcohol and drug abuse rehabilitation program for people in Westfield who are having difficulties with serious drug addiction difficulties. Whether inpatient or outpatient drug and alcohol abuse treatment services are selected, there are also different amounts of time that people will be expected to continue to be in the drug and alcohol treatment center. For example, quite a few short-term programs offer programs for 30 days or less, whereas long-term programs will call for at least a 90 day stay.