The diverse alcohol and drug abuse rehab programs which are accessible to drug and alcohol addicted individuals in Lehigh Valley, Pennsylvania can differ in several various ways. Some substance abuse rehab programs are conducted in a residential or inpatient location, where individuals reside the entire time they are in rehabilitation which provides a more therapeutic rehabilitation environment. Others provide alcohol and drug abuse rehabilitation services on an outpatient basis which provides a sense of flexibility, though outpatient facilities may not be a suitable substance abuse rehabilitation program for individuals in Lehigh Valley, Pennsylvania who are struggling with long term 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 stay in the drug rehab center. For instance, many short-term programs offer programs for 30 days or less, whereas long-term programs will require at least a 90 day stay.