In an effort to make drug treatment is available to persons with co-occurring mental health problems, Partial Hospitalization drug treatment programs in Mission Viejo, California can provide rehabilitation in special hospital and mental health clinic facilities for clients who need rehab. Partial Hospitalization the name for this kind of drug and alcohol rehab program, because the individual receives drug treatment in the daytime and returns home at night for about seven days a week. This is why these drug rehabilitation programs are also known as Day Treatment. Partial Hospitalization drug and alcohol rehab programs help clients deal with drug and alcohol addiction issues and mental health troubles at the same time in order to make sure that the person avoids relapse when drug and alcohol rehabilitation is done.