The various alcohol and drug abuse rehabilitation programs which are offered to alcohol and drug addicted people in Patterson, California can vary in a lot of different ways. Some alcohol and drug abuse rehab services are conducted in a residential or inpatient location, where clientele reside the entire time they are in rehabilitation which provides a more therapeutic rehabilitation environment. Others offer substance abuse rehab programs on an outpatient basis which provides a sense of flexibility, though outpatient facilities are not always an appropriate drug and alcohol abuse treatment program for individuals in Patterson who are having difficulties with serious drug addiction issues. Whether or not inpatient or outpatient substance abuse rehab services are chosen, there are also different amounts of time that individuals will be expected to continue to be in the drug treatment center. For example, quite a few short-term programs provide services for 4 weeks or less, while long-term facilities will demand at least a 90 day stay.