The different drug and alcohol abuse rehabilitation programs which are available to alcohol and drug addicted people in Callahan can differ in several different ways. Some drug and alcohol abuse rehab programs take place in a residential or inpatient setting, where clientele remain for the duration of their rehab which provides a more conducive rehab environment. Others provide substance abuse rehab programs on an outpatient basis which allows for more flexibility, although outpatient centers may not be an appropriate substance abuse treatment program for men and women in Callahan who are struggling with serious addiction problems. Regardless of whether inpatient or outpatient alcohol and drug abuse treatment programs are chosen, there are also different amounts of time that individuals will be required to continue to be in the alcohol and drug treatment facility. For example, some short-term programs offer programs for 30 days or less, whereas long-term facilities will demand at least a 12 week stay.