Individuals with Paranoid Personality Disorder grow up having excessive distrust and suspiciousness. The core feature of this disorder is detachment (suspiciousness). This disorder is only diagnosed if: (1) it begins no later than early adulthood, (2) these behaviors occur at home, work, and in the community, and (3) these behaviors lead to clinically significant distress or impairment in social, occupational, or other important areas of functioning. This disorder should not be diagnosed if its symptoms occur exclusively during the course of a Psychotic Disorder, or if it is attributable to Substance Use Disorder another medical condition.
