The various substance abuse rehabilitation programs which are available to drug addicted individuals in De Kalb can differ in many different ways. Some drug and alcohol abuse rehabilitation programs are offered in a residential or inpatient facility, where clientele reside for the duration of their treatment which supplies a more conducive rehab setting. Others provide substance abuse treatment programs on an outpatient basis which provides a sense of flexibility, though outpatient facilities may not be a suitable substance abuse treatment program for people in De Kalb who are struggling with serious drug or alcohol addiction issues. Whether or not inpatient or outpatient alcohol and drug abuse treatment services are chosen, there are varying lengths of time that people will be required to stay in the alcohol and drug treatment center. For example, many short-term programs provide services for 30 days or less, while long-term facilities will require at least a 12 week stay.