Understanding Personality Disorders and Emotionally Unstable Personality Disorder (EUPD)
What Are Personality Disorders?
A personality disorder involves enduring patterns of thinking, feeling, and behaving that are significantly different from cultural expectations. These patterns are:
- Problematic: they cause noticeable difficulties in personal, social, or work life
- Persistent: typically begin in adolescence and continue into adulthood
- Pervasive: present across many situations, not just in specific contexts
Types of Personality Disorders
Mental health professionals typically group personality disorders into three broad categories to assist with diagnosis and treatment planning:
Cluster A: People may find social interaction more difficult and often display behaviours that are seen as more private or unusual. This includes Paranoid, Schizoid, and Schizotypal Personality Disorders.
Cluster B: This group includes individuals who may experience more intense emotions and have difficulty managing interpersonal relationships. It includes Antisocial, Histrionic, Narcissistic, and Borderline Personality Disorders (EUPD).
Cluster C: Individuals may be more likely to feel anxious or fearful in social situations or be highly dependent on others. This includes Avoidant, Dependent, and Obsessive-Compulsive Personality Disorders.
A Closer Look at EUPD (Emotionally Unstable Personality Disorder)
EUPD is characterised by emotional sensitivity, intense and rapidly changing moods, and challenging interpersonal relationships. People living with EUPD may experience:
- A deep fear of abandonment
- Difficulties with self-image and identity
- Impulsive behaviours
- Emotional responses that feel overwhelming
- Periods of intense anger, sadness, or anxiety
- Self-harming behaviours or thoughts of suicide
Understanding personality disorders, particularly EUPD, is a vital step in creating more compassionate, informed, and effective support networks. With the right training and mindset, professionals can make a lasting difference in the lives of those affected.
To learn more about training opportunities in personality disorders and EUPD, or to book a course tailored to your team:

