In an effort to make drug and alcohol treatment is accessible to individuals with co-occurring mental health issues, Partial Hospitalization drug and alcohol rehab programs in San Marcos, California can deliver treatment in special hospital and mental health hospital settings for those in need of rehabilitation. Partial Hospitalization the name for this kind of drug and alcohol rehabilitation program, because the individual will undergo drug rehab during the day and will then go home in the evening for about seven days a week. For this reason these drug and alcohol rehab centers are also called Day Treatment. Partial Hospitalization drug rehab programs help clients deal with drug addiction disorders and psychological troubles simultaneously so that treatment staff can make certain that the treatment client won't relapse when drug rehab is done.