The diverse drug and alcohol abuse rehabilitation programs which are available to drug and alcohol addicted persons in Hanover, IL. can differ in several different ways. Some drug and alcohol abuse treatment services are conducted in a residential or inpatient facility, where individuals remain for the duration of their rehabilitation which supplies a more conducive treatment setting. Others provide alcohol and drug abuse treatment services on an outpatient basis which allows for more versatility, although outpatient centers may not be a suitable drug and alcohol abuse rehabilitation program for people in Hanover, IL. who are having difficulties with long term drug addiction difficulties. Whether inpatient or outpatient substance abuse rehab services are chosen, there are varying amounts of time that individuals will be asked to remain in the alcohol and drug rehabilitation facility. For instance, quite a few short-term programs provide services for 4 weeks or less, while long-term programs will require at least a 12 week stay.