Before a diagnosis of schizophrenia can be made, your doctor must rule out other illnesses. People can suffer severe mental symptoms and sometimes psychosis because of underlying medical conditions that have not been detected.
It is often difficult to differentiate one mental disorder from another as many psychiatric illnesses share similar features and symptoms. Obtaining an early and accurate diagnosis is extremely important.
People who are diagnosed early are able to:
Diagnosis includes the following:
Diagnosis is often based on the criteria outlined in the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (DSM-5). In order to be diagnosed with schizophrenia, you must have psychotic symptoms for at least 6 months and show increasing difficulty in functioning normally.
Keshavan MS, Roberts M, Wittmann D, et al. Guidelines for clinical treatment of early course schizophrenia. Curr Psychiatry Rep. 2006;8(4):329-334.
MacDonald AW, Schulz SC. What we know: findings that every theory of schizophrenia should explain. Schizophr Bull. 2009;35(3):493-508.
McCormick LM, Flaum M. Diagnosing schizophrenia circa 2005: how and why? Curr Psychiatry Rep. 2005;7(4):311-315.
Schizophrenia. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T115234/Schizophrenia. Updated January 17, 2017. Accessed March 14, 2017.
Schizophrenia. Mental Health America website. Available at: http://www.mentalhealthamerica.net/conditions/schizophrenia. Updated . Accessed March 14, 2017.
Schizophrenia. National Institute of Mental Health website. Available at: https://www.nimh.nih.gov/health/topics/schizophrenia/index.shtml. Updated February 2016. Accessed March 14, 2017.
Stern TA, et al. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st ed. Philadelphia, PA: Mosby Elsevier; 2008.
Last reviewed March 2017 by Adrian Preda, MD Last Updated: 3/14/2017