The diverse drug and alcohol abuse rehab programs which are available to drug addicted people in Hampden Sydney, Virginia can differ in many different ways. Some substance abuse treatment programs take place in a residential or inpatient setting, where clients remain for the duration of their treatment which provides a more conducive rehab environment. Others offer substance abuse rehab services on an outpatient basis which allows for more versatility, although outpatient facilities may not be a suitable substance abuse rehab program for individuals in Hampden Sydney, Virginia who are having difficulties with serious drug or alcohol addiction difficulties. Regardless of whether inpatient or outpatient substance abuse rehabilitation programs are chosen, there are also different lengths of time that people will be required to remain in the drug and alcohol rehabilitation center. For example, many short-term programs offer programs for 4 weeks or less, whereas long-term centers will demand at least a 90 day stay.