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 dramatic, manipulative, unpredictable, or emotional behaviors. The disorders in Cluster B are antisocial personality disorder, borderline personality disorder, histrionic personality disorder, and narcissistic personality disord
What Is Cluster B? (Plain Language Explanation)
Cluster B refers to a pattern of thoughts, feelings, and behaviors that many people experience. While it can be challenging, it's also well-understood and treatable.
Key Terms to Know About Cluster B
- Symptoms: The specific ways cluster b shows up for you
- Triggers: Situations or thoughts that activate or worsen cluster b
- Evidence-based: Treatments backed by scientific research
- Comorbidity: When cluster b occurs alongside other conditions
3 Things Most People Don't Know About Cluster B
- Cluster B is far more common than most people realize
- Cluster B is not caused by weakness — it has identifiable biological and psychological causes
- Most people with cluster b see significant improvement with the right support
Your Next Steps
Learning about cluster b is just the beginning. If you think you're experiencing cluster b, speaking with a mental health professional is the most valuable next step.