Symptoms:

A person with narcissistic personality disorder:

• Reacts to criticism with feelings or rage, shame, or humiliation
• Takes advantage of others to achieve 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
• Lacks empathy

Signs and tests:

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