The different substance abuse rehabilitation services which are offered to alcohol and drug addicted people in Dundee can vary in many various ways. Some substance abuse rehabilitation programs are offered in a residential or inpatient location, where clients reside the entire time they are in rehab which offers a more therapeutic rehab environment. Others provide drug and alcohol abuse rehabilitation services on an outpatient basis which allows for more versatility, although outpatient programs may not be an appropriate drug and alcohol abuse treatment service for people in Dundee who are struggling with long term drug or alcohol addiction issues. Regardless of whether inpatient or outpatient alcohol and drug abuse treatment services are selected, there are varying amounts of time that people will be required to stay in the drug rehabilitation center. For instance, many short-term programs provide services for 4 weeks or less, while long-term centers will demand at least a 12 week stay.