In an effort to make drug and alcohol rehabilitation is available to persons with co-occurring psychological issues, Partial Hospitalization drug rehabilitation centers in Berkeley can supply rehabilitation in particular hospital and mental health clinic facilities for clients who need rehab. Partial Hospitalization the name for this type of drug and alcohol rehab program, because the individual receives drug and alcohol rehab in the daytime and will then go home at night up to seven days a week. For this reason these drug and alcohol rehab centers are also known as Day Treatment. Partial Hospitalization drug rehabilitation programs address substance abuse problems and mental health problems concurrently so that treatment staff can ensure that the treatment client avoids relapse the moment drug and alcohol rehab is done.