The various alcohol and drug abuse treatment services which are accessible to drug and alcohol addicted individuals in Walnut, CA. can differ in many different ways. Some alcohol and drug abuse rehabilitation programs are offered in a residential or inpatient setting, where individuals reside for the duration of their rehabilitation which offers a more therapeutic treatment setting. Others offer alcohol and drug abuse treatment services on an outpatient basis which allows for more versatility, although outpatient facilities may not be a suitable substance abuse treatment program for men and women in Walnut, California who are struggling with serious drug addiction problems. Whether inpatient or outpatient drug and alcohol abuse rehabilitation services are chosen, there are varying amounts of time that men and women will be asked to continue to be in the drug rehab program. For example, quite a few short-term programs provide services for 4 weeks or less, whereas long-term facilities will require at least a 3 month stay.