In an effort to make drug rehabilitation is available to individuals with co-occurring psychological disorders, Partial Hospitalization drug treatment centers in Portland, Oregon can deliver rehabilitation in certain hospital and mental health clinic facilities for individuals who need rehabilitation. Partial Hospitalization is the term used for this kind of drug and alcohol treatment program, due to the fact that the treatment client will undergo drug and alcohol treatment in the daytime and will then return home in the evening for about seven days a week. This is why these drug rehabilitation programs are also referred to as Day Treatment. Partial Hospitalization drug and alcohol rehab facilities help clients deal with substance abuse issues and mental health disorders at the same time so that treatment staff can ensure that the person avoids fall back into drug use when drug and alcohol rehab is finished.