In an effort to make drug and alcohol treatment is available to individuals with co-occurring psychological disorders, Partial Hospitalization drug and alcohol treatment facilities in Perris, California can provide treatment in special hospital and mental health clinic settings for clients in need of rehabilitation. Partial Hospitalization is the term used for this sort of drug rehab facility, because the person takes part in drug and alcohol rehab during the day and will then return home at night up to seven days a week. This is why these drug treatment centers are also known as Day Treatment. Partial Hospitalization drug treatment programs address substance abuse problems and psychological issues at the same time in order to ensure that the individual won't relapse when drug and alcohol rehabilitation is complete.