This disorder usually begins by early adulthood.
Narcissistic people are unable to perceive themselves and others accurately.
They often feel entitled to special treatment by others and can become demanding, angry, and easily offended. The outcome varies with the severity of the disorder. Call for an appointment with your health care provider or mental health professional if symptoms of narcissistic personality disorder are interfering with your relationships with others, or if alcohol use or drug abuse develop. The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions.