To ensure that drug rehab can be available to persons with co-occurring psychological disorders, Partial Hospitalization drug and alcohol rehabilitation facilities in Oakland can supply rehab in special hospital and mental health hospital facilities for clients who will need treatment. Partial Hospitalization is the term used for this kind of drug rehab program, because the individual will undergo drug and alcohol rehab during the day and will then return home in the evening up to seven days per week. For this reason these drug treatment programs are also referred to as Day Treatment. Partial Hospitalization drug and alcohol treatment facilities deal with drug and alcohol addiction issues and mental health problems at the same time in order to ensure that the person avoids fall back into drug use once drug rehabilitation is done.