The diverse drug and alcohol abuse rehabilitation services which are offered to drug addicted persons in Charlton, Massachusetts can differ in several various ways. Some substance abuse rehab services are offered in a residential or inpatient location, where individuals remain the entire time they are in rehabilitation which supplies a more conducive treatment setting. Others provide substance abuse treatment programs on an outpatient basis which allows for more flexibility, although outpatient facilities are not always a suitable drug and alcohol abuse rehabilitation program for men and women in Charlton, Massachusetts who are having difficulties with serious drug addiction difficulties. Regardless of whether inpatient or outpatient substance abuse rehab programs are chosen, there are varying amounts of time that people will be expected to remain in the alcohol and drug treatment facility. For example, many short-term programs provide programs for a month or less, while long-term centers will require at least a 3 month stay.