A 53-year-old member asked:
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what causes paranoid personality disorder?

1 doctor answer
Dr. Lawrence Smith
29 years experience Clinical Psychology
We don't know: Paranoid personality disorder is a psychiatric condition in which a person has a long-term distrust and suspicion of others, but does not have a psychotic disorder like schizophrenia. The cause of the disorder is unknown. However, it is more common in families with members who have psychotic disorders such as schizophrenia or delusional disorder.
Answered on Jun 27, 2015
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