In an effort to make drug and alcohol rehab is available to persons with co-occurring mental health issues, Partial Hospitalization drug and alcohol rehab facilities in Haydenville, Massachusetts can supply rehab in certain hospital and mental health hospital facilities for those in need of treatment. Partial Hospitalization is the term used for this kind of drug treatment facility, because the treatment client takes part in drug and alcohol treatment during the day and returns home at night up to seven days per week. This is why these drug treatment facilities are also known as Day Treatment. Partial Hospitalization drug rehab programs help clients deal with substance abuse disorders and psychological problems simultaneously so that treatment staff can make sure that the person won't fall back into drug use once drug rehab is complete.