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What mental disorders are similar to schizophrenia?

Douglas E. Severance, MD
Family Medicine
Many mental health disorders share some similar symptoms with schizophrenia. Some personality disorders share symptoms with schizophrenia, including paranoid personality disorder, schizoid personality disorder, and schizotypal personality disorder. Other mental health disorders may also share some features with schizophrenia. A brief psychotic disorder has similar qualities to schizophrenia but lasts less than one month, as opposed to schizophrenia, in which the presentation of symptoms continue for at least six months at a time.

Schizophreniform disorder is also similar to schizophrenia, but lasts between one and six months. Some people confuse schizoaffective disorder with schizophrenia, but a key difference is that people with schizoaffective disorder have symptoms of major depressive disorder or bipolar disorder, along with symptoms of schizophrenia. Some medical conditions also can cause symptoms that are similar to schizophrenia.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.