To ensure that drug rehabilitation is available to those with co-occurring mental health problems, Partial Hospitalization drug treatment programs in Pearl River, NY. can offer treatment in certain hospital and mental health clinic facilities for those who need rehab. Partial Hospitalization the name for this kind of drug and alcohol rehabilitation facility, due to the fact that the person receives drug and alcohol rehab during the day and will then return home at night for about seven days per week. For this reason these drug and alcohol rehab programs are also known as Day Treatment. Partial Hospitalization drug and alcohol rehab programs address drug and alcohol addiction problems and mental health problems at the same time so that treatment staff can make sure that the individual won't fall back into drug use the moment drug treatment is complete.