To ensure that drug and alcohol treatment can be available to individuals with co-occurring mental health issues, Partial Hospitalization drug and alcohol rehabilitation facilities in Union, IL. can provide treatment in certain hospital and mental health hospital facilities for those who will need rehab. Partial Hospitalization the name for this kind of drug rehabilitation program, due to the fact that the individual takes part in drug rehab in the day and will then go home at night for about seven days a week. For this reason these drug and alcohol treatment centers are also known as Day Treatment. Partial Hospitalization drug rehab facilities address drug and alcohol addiction problems and psychological issues simultaneously in order to make sure that the person avoids relapse once drug and alcohol rehab is complete.