In an effort to make drug treatment is accessible to those with co-occurring mental health problems, Partial Hospitalization drug treatment facilities in Shelter Island, New York can deliver rehab in particular hospital and mental health hospital settings for individuals in need of rehab. Partial Hospitalization the name for this type of drug and alcohol rehab facility, due to the fact that the person receives drug rehab in the daytime and will then go home at night for about seven days a week. This is why these drug and alcohol rehab centers are also known as Day Treatment. Partial Hospitalization drug rehab centers help clients deal with drug addiction problems and mental health disorders at the same time so that treatment staff can ensure that the individual won't fall back into drug use when drug treatment is done.