Personality disorders are increasingly recognised as major mental health issues.

Use this site to find out more about the different personality disorders, including borderline, antisocial and dangerous and severe, and what the diagnosis means. Also keep up with the latest news about what is happening in the world of personality disorder and how you can get involved.

Other informative sites include:

The NHS personality disorder page

The British and Irish Group for the Study of Personality Disorder is the research body for personality disorder research in the UK and Ireland.


Emergence is a service user (patient) led organisation, previously known as Borderline UK. It is a useful place to start if you think you might have a personality disorder, or want to get involved in service user activity.

The Royal College of Psychiatrist’s website resource on personality disorder

For help in a crisis, visit the Emergence page detailing resources available here.

This site commissioned by Personality Disorder development team, UK Department of Health.