The diverse substance abuse rehab programs which are offered to alcohol and drug addicted people in Alna, Maine can vary in several various ways. Some drug and alcohol abuse treatment services are conducted in a residential or inpatient location, where clients reside the entire time they are in treatment which provides a more conducive treatment environment. Others offer drug and alcohol abuse rehabilitation services on an outpatient basis which provides a sense of versatility, though outpatient programs may not be an appropriate substance abuse treatment program for people in Alna, Maine who are struggling with long term drug or alcohol addiction difficulties. Whether inpatient or outpatient alcohol and drug abuse treatment programs are selected, there are varying lengths of time that men and women will be expected to stay in the drug and alcohol treatment facility. For example, some short-term programs offer services for 4 weeks or less, whereas long-term programs will demand at least a 90 day stay.