In an effort to make drug and alcohol treatment is available to persons with co-occurring mental health issues, Partial Hospitalization drug and alcohol rehab programs in Mount Vernon, South Dakota can offer rehab in particular hospital and mental health hospital facilities for clients in need of rehabilitation. Partial Hospitalization is the term used for this sort of drug treatment program, because the person will undergo drug rehabilitation in the daytime and will then return home in the evening up to seven days per week. For this reason these drug rehab centers are also known as Day Treatment. Partial Hospitalization drug rehab programs help clients deal with substance abuse issues and psychological troubles concurrently so that treatment staff can ensure that the person won't fall back into drug use once drug and alcohol rehab is complete.