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 ...

Cluster C personality disorders are a group of mental health conditions that cause intense fearfulness, insecurity, or perfectionism. The symptoms are long-term and impact many aspects of life.

Personality traits are defined by patterns in how you think, behave, and react to situations. For someone without a personality disorder, your responses are consistent and stable over time. For ...

A personality disorder is a mental disorder that’s caused by an unhealthy pattern of thought and behavior. People with personality disorders often struggle to interact with the world. Their disorder ...

Personality disorders—atypical ways of thinking about oneself and relating to other people—are grouped into three clusters: A, B, and C. Cluster B disorders are marked by inappropriate, volatile ...

BPD causes symptoms like emotional and relationship instability as well as higher anxiety levels. Insurance coverage for treatment may vary, requiring you to check your specific plan. Borderline ...

The exact cause of personality disorders is unclear. However, genetics, neurological differences, and environmental factors may contribute to the development of these complex mental health conditions.

Histrionic personality disorder (HPD) is a mental health condition characterized by excessively dramatic and attention-seeking behaviors. People with HPD have an intense need for attention and often ...

Medically reviewed by Michael MacIntyre, MD Cluster C personality disorders include conditions with anxious and fearful thoughts and behaviors. These are avoidant personality disorder (AVPD), ...