The different alcohol and drug abuse treatment services which are offered to drug and alcohol addicted people in Callahan can vary in several different ways. Some alcohol and drug abuse rehab programs are offered in a residential or inpatient location, where clientele reside the entire time they are in rehabilitation which supplies a more conducive treatment environment. Others offer alcohol and drug abuse treatment services on an outpatient basis which allows for more flexibility, although outpatient facilities are not always a suitable drug and alcohol abuse rehab program for individuals in Callahan who are struggling with long term addiction difficulties. Whether inpatient or outpatient alcohol and drug abuse rehabilitation services are chosen, there are also different lengths of time that people will be required to remain in the alcohol and drug rehabilitation center. For example, many short-term programs provide services for a month or less, whereas long-term facilities will require at least a 90 day stay.