In an effort to make drug and alcohol rehab can be available to individuals with co-occurring psychological disorders, Partial Hospitalization drug treatment programs in Petersham, Massachusetts can supply rehab in particular hospital and mental health hospital settings for those in need of rehabilitation. Partial Hospitalization is the term used for this sort of drug and alcohol rehab program, due to the fact that the person receives drug and alcohol treatment in the daytime and will then go home in the evening for about seven days a week. For this reason these drug and alcohol rehab facilities are also called Day Treatment. Partial Hospitalization drug and alcohol treatment centers help clients deal with drug addiction disorders and psychological troubles at the same time so that treatment staff can ensure that the individual avoids relapse when drug rehabilitation is complete.