To ensure that drug rehab is available to those with co-occurring mental health issues, Partial Hospitalization drug rehabilitation centers in West Nyack, NY. can supply treatment in certain hospital and mental health hospital settings for clients who need treatment. Partial Hospitalization is the term used for this sort of drug treatment program, because the person receives drug treatment in the daytime and will then go home in the evening up to seven days a week. For this reason these drug rehabilitation programs are also called Day Treatment. Partial Hospitalization drug rehab programs deal with drug addiction disorders and psychological disorders concurrently in order to make sure that the person avoids fall back into drug use the moment drug and alcohol treatment is complete.