To ensure that drug and alcohol rehabilitation is available to persons with co-occurring mental health problems, Partial Hospitalization drug and alcohol treatment programs in Allison Park, PA. can deliver treatment in particular hospital and mental health clinic settings for clients who need rehab. Partial Hospitalization the name for this type of drug and alcohol rehabilitation program, due to the fact that the treatment client will undergo drug treatment during the day and will then return home in the evening for about seven days per week. For this reason these drug and alcohol rehab facilities are also referred to as Day Treatment. Partial Hospitalization drug and alcohol rehab programs deal with substance abuse disorders and psychological disorders concurrently so that treatment staff can ensure that the person won't fall back into drug use once drug and alcohol treatment is complete.