The different alcohol and drug abuse rehabilitation programs which are offered to drug and alcohol addicted people in Calabasas can vary in many different ways. Some drug and alcohol abuse rehab programs are conducted in a residential or inpatient location, where individuals reside the entire time they are in rehabilitation which provides a more conducive rehab environment. Others provide substance abuse rehab programs on an outpatient basis which allows for more versatility, though outpatient centers may not be an appropriate alcohol and drug abuse rehab service for people in Calabasas, CA. who are struggling with serious drug addiction issues. Whether or not inpatient or outpatient drug and alcohol abuse rehabilitation services are selected, there are varying amounts of time that individuals will be asked to stay in the alcohol and drug treatment center. For instance, many short-term programs provide programs for 4 weeks or less, whereas long-term programs will call for at least a 12 week stay.