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DSM-IV: Paranoid Personality Disorder

Individuals with this Cluster A Personality Disorder distrust others and are suspicious of their motives.

Diagnostic criteria for 301.0 Paranoid Personality Disorder

A. A pervasive distrust and suspiciousness of others such that their motives are interpreted as malevolent, beginning by early adulthood and present in a variety of contexts, as indicated by four (or more) of the following:

(1) suspects, without sufficient basis, that others are exploiting, harming, or deceiving him or her
(2) is preoccupied with unjustified doubts about the loyalty or trustworthiness of friends or associates
(3) is reluctant to confide in others because of unwarranted fear that the information will be used maliciously against him or her
(4) reads hidden demeaning or threatening meanings into benign remarks or events
(5) persistently bears grudges, i.e., is unforgiving of insults, injuries, or slights
(6) perceives attacks on his or her character or reputation that are not apparent to others and is quick to react angrily or to counter-attack
(7) has recurrent suspicions, without justification, regarding fidelity of spouse or sexual partner

B. Does not occur exclusively during the course of Schizophrenia, a Mood Disorder With Psychotic Features, or another Psychotic Disorder and is not due to the direct physiological effects of a general medical condition.

Note: If criteria are met prior to the onset of Schizophrenia, add "Premorbid," e.g. "Paranoid Personality Disorder (Premorbid)."

Based on the Diagnostic & Statistical Manual of Mental Disorders, 4th edition APA

Also: paranoia

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The online Diagnostic & Statistical Manual of Mental Disorders lists most of the major psychological disorders and illnesses and lists the criteria that must be fulfilled in order for a diagnosis to be made. This resource is not a substitute for proper professional psychiatric diagnosis.