



Narcissistic personality disorder is a condition characterized by 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 and is marked by disregard for the feelings of others, grandiosity, obsessive self-interest, and the pursuit of primarily selfish goals.
A person with narcissistic personality disorder:
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.
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