In an effort to make drug rehabilitation is available to persons with co-occurring psychological problems, Partial Hospitalization drug and alcohol rehab facilities in Darien can provide treatment in special hospital and mental health clinic settings for clients who need rehab. Partial Hospitalization the name for this type of drug and alcohol treatment facility, due to the fact that the person will undergo drug and alcohol rehab in the day and returns home in the evening for about seven days a week. This is why these drug rehabilitation facilities are also known as Day Treatment. Partial Hospitalization drug rehabilitation programs address substance abuse issues and mental health troubles concurrently in order to make sure that the treatment client doesn't relapse the moment drug rehabilitation is done.