The various alcohol and drug abuse rehab programs which are offered to drug and alcohol addicted persons in Germantown, Tennessee can differ in many various ways. Quite a few substance abuse rehabilitation programs are conducted in a residential or inpatient setting, where clientele remain for the duration of their treatment which provides a more therapeutic rehabilitation setting. Others offer substance abuse rehabilitation programs on an outpatient basis which provides a sense of versatility, though outpatient programs may not be a suitable substance abuse rehab service for people in Germantown, Tennessee who are having difficulties with long term drug or alcohol addiction issues. Whether or not inpatient or outpatient drug and alcohol abuse rehab programs are chosen, there are varying lengths of time that people will be expected to remain in the alcohol and drug treatment program. For example, many short-term programs offer services for 30 days or less, while long-term centers will require at least a 90 day stay.