Paranoid Personality Disorder can involve, in response to
stress, very brief psychotic episodes (lasting minutes to hours).
If long-lasting the disorder may develop into delusional
disorder or schizophrenia . Individuals may also be at greater
than average risk of experiencing major depressive disorder ,
agoraphobia, obsessive-compulsive disorder or alcohol and
substance-related disorders . Criteria for other personality
disorder diagnoses are commonly also met, such as: [9]
schizoid personality disorder
schizotypal personality disorder
narcissistic personality disorder
avoidant personality disorder
borderline personality disorder