The various alcohol and drug abuse rehab programs which are offered to drug and alcohol addicted persons in Henderson, Illinois can differ in a lot of various ways. Some substance abuse rehabilitation programs are conducted in a residential or inpatient location, where individuals reside the entire time they are in treatment which supplies a more conducive rehab environment. Others offer alcohol and drug abuse rehabilitation programs on an outpatient basis which provides a sense of versatility, although outpatient programs are not always an appropriate substance abuse rehab program for people in Henderson, Illinois who are having difficulties with serious addiction issues. Whether inpatient or outpatient alcohol and drug abuse treatment services are chosen, there are also different lengths of time that people will be asked to continue to be in the drug and alcohol rehabilitation program. For instance, some short-term programs offer services for 4 weeks or less, while long-term centers will require at least a 90 day stay.