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Secondary Schizophrenia

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Book cover Psychotic Disorders

Part of the book series: Current Clinical Psychiatry ((CCPSY))

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Abstract

The number of medical diseases that can present with psychotic symptoms (delusions, hallucinations) is legion. A thorough differential diagnosis of psychosis is necessary to avoid the mistaken attribution of psychosis to a psychiatric disorder instead of a medical condition, which requires very different treatment. I outline a clinical approach for a patient with psychosis of unknown etiology that emphasizes the need to be pragmatic about the medical work-up as indiscriminate screening is neither feasible nor helpful. To organize this chapter, I use the primary (psychiatric) versus secondary (“organic”) distinction to review the medical etiologies of schizophrenia-like psychosis. In this scheme, schizophrenia due to a medical condition is referred to as secondary schizophrenia.

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    1. Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA

      Oliver Freudenreich

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    Freudenreich, O. (2020). Secondary Schizophrenia. In: Psychotic Disorders. Current Clinical Psychiatry. Humana, Cham. https://doi.org/10.1007/978-3-030-29450-2_5

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