The differences between bipolar disorder and borderline personality disorder may be difficult to identify at first because of the significant overlap in symptoms. But the diagnostic criteria are ...

Dependent personality disorder (DPD) is one of several personality disorders outlined in the "Diagnostic and Statistical Manual for Mental Disorders, Fifth Edition" (DSM-5). Someone with DPD relies on ...

People with schizoid personality disorder often prefer solitary activities. The descriptive tradition began in 1925 with the description of observable schizoid behaviors by Ernst Kretschmer. He ...

No cluster D of personality disorders is currently featured in the Diagnostic and Statistical Manual of Mental Disorders, 5th edition, text revision (DSM-5-TR). Only clusters A, B, and C are ...

How Is Avoidant Personality Disorder Different From Social Anxiety?

Most research on the romantic relationships of people with personality disorders has focused on the difficulties these individuals face in their relationships. For example, studies have shown that ...

Schizotypal personality disorder is a cluster A personality disorder that involves various symptoms. These symptoms include difficulty in relationships, atypical thinking and behavior, and a ...

This section has information on borderline personality disorder (BPD), including symptoms, causes, and treatments. This information is for people affected by BPD in England who are 18 or over. It’s ...

Personality disorders are a group of psychiatric conditions in which a person’s long-term (chronic) behaviours, emotions and thoughts are very different from their culture’s expectations and ...

Personality disorders such as borderline personality disorder (BPD), narcissistic personality disorder (NPD), and antisocial personality disorder (ASPD) are characterised by deeply ingrained patterns ...

Petulant borderline personality disorder (BPD) is a potential subtype of BPD. It involves mood changes and irritability. There is debate over subtypes of BPD. Petulant BPD is one of the four ...

Numerous studies of the relationship between personality disorder and their associated traits generally find weak relationships. The strongest relationship between one of the ten personality ...