a majority of individuals who experience some of the symptoms of schizophrenia will never meet full diagnostic criteria, approximately 20-40% will eventually be diagnosed with schizophrenia. One of the challenges of identifying and treating the prodrome is that it is difficult to predict who, among those with symptoms, are likely to meet full criteria later.

Duration

The prodromal phase in schizophrenia can last anywhere from several weeks to several years, and comorbid disorders, such as

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