The various alcohol and drug abuse rehabilitation services which are offered to drug and alcohol addicted persons in Anna can differ in several various ways. Some substance abuse rehab services take place in a residential or inpatient facility, where individuals reside for the duration of their rehab which supplies a more therapeutic rehabilitation setting. Others offer drug and alcohol abuse treatment services on an outpatient basis which allows for more versatility, although outpatient programs may not be a suitable alcohol and drug abuse treatment service for people in Anna who are having difficulties with long term drug addiction difficulties. Whether or not inpatient or outpatient substance abuse rehab programs are chosen, there are varying lengths of time that people will be expected to remain in the drug and alcohol treatment center. For instance, some short-term programs offer programs for a month or less, whereas long-term centers will demand at least a 3 month stay.