The different substance abuse treatment programs which are available to drug and alcohol addicted people in Berwick, Iowa can vary in a lot of various ways. Some alcohol and drug abuse treatment programs are offered in a residential or inpatient location, where clientele remain the entire time they are in rehab which provides a more conducive treatment environment. Others provide alcohol and drug abuse rehab services on an outpatient basis which allows for more flexibility, though outpatient facilities may not be an appropriate drug and alcohol abuse treatment program for people in Berwick, Iowa who are having difficulties with long term addiction problems. Whether or not inpatient or outpatient substance abuse rehabilitation services are selected, there are varying amounts of time that people will be expected to stay in the alcohol and drug treatment program. For example, many short-term programs provide services for 4 weeks or less, while long-term centers will demand at least a 12 week stay.