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Diseases reference index «Narcissistic personality disorder»

Narcissistic personality disorder is a condition in which there is an inflated sense of self-importance and an extreme preoccupation with one's self.


The cause of this disorder is unknown. Narcissistic personality disorder usually begins by early adulthood.


A person with narcissistic personality disorder:

  • Reacts to criticism with rage, shame, or humiliation
  • Takes advantage of other people to achieve his or her own goals
  • Has feelings of self-importance
  • Exaggerates achievements and talents
  • Is preoccupied with fantasies of success, power, beauty, intelligence, or ideal love
  • Has unreasonable expectations of favorable treatment
  • Requires constant attention and admiration
  • Disregards the feelings of others, lacks empathy
  • Has obsessive self-interest
  • Pursues mainly selfish goals

Exams and Tests

Personality disorders are diagnosed based on a psychological evaluation and the history and severity of the symptoms.


Psychotherapy may help the affected person relate to others in a more positive and compassionate manner.

Outlook (Prognosis)

The outcome varies with the severity of the disorder.

Possible Complications

  • Relationship and family problems
  • Alcohol or other drug dependence

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