The different drug and alcohol abuse treatment services which are accessible to drug and alcohol addicted persons in Cerritos, CA. can differ in many different ways. Quite a few substance abuse rehab services take place in a residential or inpatient facility, where individuals remain the entire time they are in rehab which provides a more conducive rehab environment. Others offer substance abuse rehabilitation programs on an outpatient basis which allows for more versatility, although outpatient programs are not always a suitable drug and alcohol abuse rehabilitation program for men and women in Cerritos, CA. who are struggling with serious drug or alcohol addiction difficulties. Regardless of whether inpatient or outpatient drug and alcohol abuse rehabilitation programs are chosen, there are varying amounts of time that people will be expected to stay in the drug rehabilitation program. For example, many short-term programs offer programs for 30 days or less, whereas long-term programs will require at least a 12 week stay.