The various alcohol and drug abuse rehabilitation services which are available to alcohol and drug addicted people in Calvert, Texas can vary in many different ways. Some substance abuse rehabilitation services take place in a residential or inpatient setting, where clients reside for the duration of their rehabilitation which supplies a more therapeutic rehab environment. Others offer alcohol and drug abuse rehabilitation services on an outpatient basis which allows for more versatility, though outpatient centers are not always an appropriate drug and alcohol abuse rehabilitation program for people in Calvert, Texas who are having difficulties with serious drug or alcohol addiction difficulties. Regardless of whether inpatient or outpatient drug and alcohol abuse treatment programs are chosen, there are varying amounts of time that men and women will be expected to stay in the drug and alcohol rehabilitation center. For instance, some short-term programs offer services for 30 days or less, while long-term facilities will require at least a 12 week stay.