In an effort to make drug rehabilitation can be available to those with co-occurring mental health issues, Partial Hospitalization drug rehabilitation facilities in Westlake, OR. can deliver rehab in particular hospital and mental health hospital facilities for those who will need rehabilitation. Partial Hospitalization the name for this kind of drug treatment facility, because the individual receives drug and alcohol treatment during the day and will then return home in the evening for about seven days a week. This is why these drug rehab facilities are also known as Day Treatment. Partial Hospitalization drug and alcohol rehabilitation programs address substance abuse disorders and mental health problems simultaneously so that treatment staff can ensure that the person avoids fall back into drug use once drug and alcohol treatment is finished.