The diverse alcohol and drug abuse rehab services which are accessible to alcohol and drug addicted persons in Sheffield can vary in several different ways. Some substance abuse rehabilitation programs are conducted in a residential or inpatient location, where clientele remain for the duration of their rehabilitation which offers a more conducive rehabilitation setting. Others offer substance abuse rehabilitation programs on an outpatient basis which allows for more flexibility, though outpatient facilities are not always an appropriate substance abuse rehabilitation service for men and women in Sheffield who are struggling with long term drug addiction problems. Whether inpatient or outpatient drug and alcohol abuse treatment services are chosen, there are varying amounts of time that individuals will be expected to continue to be in the alcohol and drug treatment center. For instance, quite a few short-term programs provide programs for 30 days or less, whereas long-term programs will call for at least a 12 week stay.