To ensure that drug treatment is accessible to persons with co-occurring psychological disorders, Partial Hospitalization drug and alcohol treatment programs in Plessis can offer treatment in certain hospital and mental health clinic facilities for individuals who need treatment. Partial Hospitalization the name for this type of drug and alcohol treatment program, due to the fact that the person will undergo drug and alcohol rehab in the daytime and returns home at night for about seven days per week. For this reason these drug rehabilitation programs are also referred to as Day Treatment. Partial Hospitalization drug rehabilitation facilities address drug addiction problems and psychological disorders at the same time so that treatment staff can make certain that the individual doesn't fall back into drug use once drug and alcohol treatment is finished.