The various substance abuse rehabilitation programs which are accessible to drug and alcohol addicted persons in East Greenville, Pennsylvania can differ in a lot of different ways. Some substance abuse rehabilitation services are offered in a residential or inpatient facility, where clientele reside for the duration of their rehabilitation which offers a more conducive treatment setting. Others offer substance abuse treatment programs on an outpatient basis which provides a sense of versatility, though outpatient facilities may not be an appropriate alcohol and drug abuse rehabilitation program for men and women in East Greenville, Pennsylvania who are having difficulties with serious drug addiction issues. Whether inpatient or outpatient substance abuse treatment services are chosen, there are varying amounts of time that people will be asked to remain in the alcohol and drug treatment center. For instance, quite a few short-term programs offer programs for 30 days or less, while long-term programs will demand at least a 90 day stay.