A personality disorder is a type of mental disorder in which you have a rigid and unhealthy pattern of thinking, functioning and behaving. A person with a personality disorder has trouble perceiving and relating to situations and people. This causes significant problems and limitations in relationships, social activities, work and school.
In some cases, you may not realize that you have a personality disorder because your way of thinking and behaving seems natural to you. And you may blame others for the challenges you face.
Personality disorders usually begin in the teenage years or early adulthood. There are many types of personality disorders. Some types may become less obvious throughout middle age.
Sept. 23, 2016
- Personality disorders. In: Diagnostic and Statistical Manual of Mental Disorders DSM-5. 5th ed. Arlington, Va.: American Psychiatric Association; 2013. http://www.psychiatryonline.org. Accessed July 26, 2016.
- Overview of personality disorders. Merck Manual Professional Version. http://www.merckmanuals.com/professional/psychiatric-disorders/personality-disorders/overview-of-personality-disorders. Accessed July 26, 2016.
- Get help with personality disorders. American Psychiatric Association. https://www.psychiatry.org/patients-families/personality-disorders/what-are-personality-disorders. Accessed July 26, 2016.
- Skodol A. Personality disorders. http://www.uptodate.com/home. Accessed July 26, 2016.
- Tyrer P, et al. Personality disorder 1: Classification, assessment, prevalence, and effect of personality disorder. The Lancet. 2015;385:717.
- Newton-Howes G, et al. Personality disorder 2: Personality disorder across the life course. The Lancet. 2015;385:727.
- Bateman AW, et al. Personality disorder 3: Treatment of personality disorder. The Lancet. 2015;385:735.
- Palmer BA (expert opinion). Mayo Clinic, Rochester, Minn. Aug. 17, 2016.