The various alcohol and drug abuse rehab programs which are available to drug addicted individuals in Modesto can vary in many different ways. Some alcohol and drug abuse rehabilitation services are conducted in a residential or inpatient facility, where clients remain the entire time they are in treatment which provides a more conducive rehab environment. Others provide substance abuse rehab services on an outpatient basis which provides a sense of flexibility, although outpatient facilities may not be a suitable substance abuse treatment program for men and women in Modesto, CA. who are having difficulties with serious drug or alcohol addiction problems. Whether inpatient or outpatient alcohol and drug abuse rehabilitation programs are selected, there are varying lengths of time that men and women will be required to continue to be in the alcohol and drug rehab facility. For example, some short-term programs provide programs for 30 days or less, whereas long-term programs will call for at least a 90 day stay.