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 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. Inc. Any duplication or distribution of the information contained herein is strictly prohibited. Inc. All rights reserved.