To ensure that drug rehab is accessible to individuals with co-occurring mental health issues, Partial Hospitalization drug rehab programs in Island Lake, Illinois can deliver rehab in particular hospital and mental health hospital facilities for individuals in need of rehabilitation. Partial Hospitalization is the term used for this kind of drug treatment program, because the individual takes part in drug and alcohol rehab in the day and returns home in the evening up to seven days a week. This is why these drug treatment facilities are also referred to as Day Treatment. Partial Hospitalization drug and alcohol rehab centers deal with drug and alcohol addiction disorders and mental health issues simultaneously so that treatment staff can make sure that the person avoids relapse the moment drug rehab is complete.