Schizophrenia is one of the most difficult diagnoses to make. And, once made, it was once among the most limited, offering few options in the management of care for schizophrenia patients with comorbid conditions. It was not until 1994, with the publication of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV), that diagnostic guidelines first permitted additional diagnoses on Axis I, such as anxiety disorder, in the presence of schizophrenia. Yet remnants of the old hierarchical diagnostic system remain, diverting attention from the pressing issue of...