The different substance abuse treatment programs which are available to drug addicted people in Savanna, Illinois can vary in many different ways. Quite a few drug and alcohol abuse rehabilitation programs are conducted in a residential or inpatient setting, where clientele remain the entire time they are in treatment which provides a more conducive rehabilitation setting. Others provide substance abuse rehabilitation services on an outpatient basis which provides a sense of flexibility, though outpatient centers are not always an appropriate drug and alcohol abuse treatment program for men and women in Savanna, Illinois who are struggling with long term addiction issues. Whether inpatient or outpatient drug and alcohol abuse rehab services are chosen, there are also different amounts of time that people will be required to remain in the drug and alcohol rehabilitation facility. For instance, some short-term programs offer services for 30 days or less, while long-term centers will require at least a 12 week stay.