Borderline personality disorderOverview

Borderline personality disorder (BPD) is a disorder of mood and how a person interacts with others. It's the most commonly recognised personality disorder.


Borderline personality disorder is a condition that affects how you think, feel and interact with other people.


Symptoms of borderline personality include being emotionally unstable, having upsetting thoughts and acting without thinking.


The cause of borderline personality disorder is unclear. It's been linked to traumatic events during childhood, such as neglect or abuse.


The main treatment for borderline personality disorder is a type of talking therapy called psychotherapy.

Page last reviewed: 17/07/2019
Next review due: 17/07/2022