To ensure that drug rehab can be available to individuals with co-occurring psychological disorders, Partial Hospitalization drug and alcohol rehabilitation facilities in Washington can deliver treatment in particular hospital and mental health hospital settings for those who will need rehabilitation. Partial Hospitalization the name for this type of drug rehab program, due to the fact that the person receives drug and alcohol treatment during the day and returns home at night for about seven days per week. For this reason these drug rehab centers are also called Day Treatment. Partial Hospitalization drug treatment facilities deal with drug addiction issues and mental health disorders concurrently in order to make sure that the treatment client doesn't relapse when drug and alcohol treatment is finished.