The different alcohol and drug abuse treatment services which are accessible to drug and alcohol addicted individuals in Perris, CA. can differ in a lot of different ways. Some drug and alcohol abuse treatment services are offered in a residential or inpatient facility, where clients reside for the duration of their rehab which provides a more conducive treatment setting. Others offer substance abuse rehab programs on an outpatient basis which allows for more flexibility, although outpatient facilities are not always a suitable alcohol and drug abuse treatment service for individuals in Perris who are struggling with serious addiction issues. Whether inpatient or outpatient drug and alcohol abuse rehab services are chosen, there are also different amounts of time that individuals will be asked to remain in the drug and alcohol treatment center. For example, quite a few short-term programs provide programs for 4 weeks or less, while long-term programs will demand at least a 90 day stay.