Personality disorder

A personality disorder or character disorder is a type of disorder where a person thinks, feels and behaves differently from how society expects them to. Where these traits would be flexible in most people, these traits are rigid and unworkable in someone with a personality disorder and create lasting patterns and often lasting problems. These thoughts, feelings and behaviours can cause problems for the person, and for other people around them. In the United States, the United Kingdom, and many other countries, personality disorders are classed as a kind of mental disorder and are treated by medical professionals. About ten percent of adults have PDs.


In the Diagnostic and Statistical Manual of Mental Disorders, a book about mental illness written by the American Psychiatric Association, there are ten personality disorders. They are split into three " clusters" or groups.

Cluster A

Cluster A is the odd or eccentric group of personality disorders. They are:

  • Paranoid personality disorder
  • Schizoid personality disorder: these people are solitary, secretive, quiet, and unemotional.
  • Schizotypal personality disorder

Cluster A disorders are more common in men.

Cluster B

Cluster B is the dramatic or emotional group of personality disorders. They are:

All Cluster B disorders are comorbid with each other. There are things that are in more than one PD. For example, selfishness and lack of empathy are major parts of ASPD and NPD. Needing to be admired is a major part of HPD and NPD.

Cluster C

Cluster C is the anxious or fearful group of personality disorders. They are:

Other Languages
беларуская (тарашкевіца)‎: Разлад асобы
한국어: 인격장애
Кыргызча: Психопатия
مازِرونی: اختلال شخصيت
slovenčina: Porucha osobnosti
slovenščina: Osebnostna motnja
Soomaaliga: Khalkhal
Tiếng Việt: Rối loạn nhân cách
中文: 人格障礙