Delusions of grandeur or persecution defined the paranoid schizophrenia subtype in the DSM-IV-TR.
A subtype of schizophrenia is no longer known by the old label "paranoid schizophrenia." This word is no longer used or accepted by professionals. Instead, they view schizophrenia as a distinct illness that is a member of a range of connected disorders that include psychosis.
In 2013, the American Psychiatric Association updated the Diagnostic and Statistical Manual of Mental Disorders Fifth Edition (DSM-5) and eliminated paranoid schizophrenia from the list of recognized disorders. When upgrading to the 11th edition (ICD-11) in 2019, the World Health Organization eliminated paranoid schizophrenia from the list of diseases.
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