To ensure that drug and alcohol rehabilitation is available to persons with co-occurring psychological problems, Partial Hospitalization drug rehabilitation centers in Granville Summit, PA. can provide rehabilitation in certain hospital and mental health clinic facilities for clients who will need rehab. Partial Hospitalization is the term used for this type of drug and alcohol treatment facility, because the person receives drug rehabilitation in the daytime and returns home at night for about seven days per week. For this reason these drug treatment programs are also referred to as Day Treatment. Partial Hospitalization drug and alcohol rehab programs help clients deal with drug and alcohol addiction problems and mental health issues at the same time so that treatment staff can make certain that the individual avoids relapse once drug and alcohol rehab is done.