In an effort to make drug and alcohol rehab is available to individuals with co-occurring psychological problems, Partial Hospitalization drug and alcohol rehab facilities in Annville, PA. can offer treatment in special hospital and mental health clinic settings for clients who need treatment. Partial Hospitalization is the term used for this kind of drug rehabilitation program, due to the fact that the person takes part in 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 facilities are also known as Day Treatment. Partial Hospitalization drug treatment facilities help clients deal with substance abuse problems and mental health problems concurrently in order to make certain that the person won't relapse once drug and alcohol rehabilitation is done.