What Are Personality Disorders?
Personality disorders are mental health conditions marked by deeply ingrained patterns of thinking, feeling, and behaving that differ significantly from what’s expected. These patterns affect how a person sees themselves, relates to others, and handles emotions. Because they shape the core of who someone is, they’re rarely identified, diagnosed, or treated in short-term programs.
The Personality Disorder Spectrum
Cluster A: Odd, Eccentric
People with Cluster A disorders often seem distant, suspicious, or disconnected from others in ways that make engagement in treatment difficult.
Conditions in this group:
- Paranoid Personality Disorder — Deep distrust of others, even those trying to help
- Schizoid Personality Disorder — Detachment from relationships, limited emotional expression
- Schizotypal Personality Disorder — Unusual thinking patterns, discomfort with closeness
Cluster B: Dramatic, Emotional, Erratic
Cluster B disorders involve intense emotions, unstable relationships, and impulsive behavior that often drive substance use and create visible chaos.
Conditions in this group:
- Borderline Personality Disorder — Intense emotional swings, fear of abandonment
- Narcissistic Personality Disorder — Grandiosity, need for admiration, lack of empathy
- Antisocial Personality Disorder — Disregard for rules and others' rights, manipulation
- Histrionic Personality Disorder — Excessive emotionality, constant need for attention
Cluster C: Anxious, Fearful
Cluster C disorders center on fear, anxiety, and avoidance. Deep insecurity often drives hidden substance use beneath a compliant surface.
Conditions in this group:
- Avoidant Personality Disorder — Intense fear of rejection, social withdrawal
- Dependent Personality Disorder — Excessive need for others to make decisions
- Obsessive-Compulsive Personality Disorder — Rigid perfectionism, need for control
Dual Diagnosis Stats:
Prevalence: 9.1% of U.S. adults have a personality disorder¹
Co-Occurrence: 35–73% of people in addiction treatment have a co-occurring personality disorder²
Treatment Challenge: Personality disorders are a consistent risk factor for treatment dropout and relapse³
How Do Personality Disorders Contribute to Relapse?
Personality disorders create patterns so deeply embedded that substances become the primary way to cope with emotional pain, manage relationships, or quiet internal chaos.
- The Pattern Is the Problem
Substances become woven into how the person functions daily. - Short-Term Programs Can’t Reach Deep Enough
Treatment ends before real therapeutic work begins. - Without Treating the Disorder, Relapse Is Likely
Same patterns, same responses, same familiar solution.
How Personality Disorders Are Identified & Diagnosed
Personality disorders are often missed in short-term treatment because the symptoms are simply seen as part of “who they are” or get attributed entirely to addiction. Accurate diagnosis requires time, clinical expertise, and observation across different situations.
What proper diagnosis requires:
- Extended observation in a structured environment
- Comprehensive psychiatric evaluation
- Assessment of patterns across relationships, not just during crisis
- Differentiation between substance-induced behavior and underlying personality structure
"Many clients with personality disorders have been through multiple programs without anyone identifying what's actually driving the addiction. Accurate diagnosis is the first step. The second is having enough time to do the deeper therapeutic work."
Meghan Bohlman, LPC-S, LCDC, EMDR-Trained
Executive Clinical Director, Burning Tree Ranch
Long-Term Treatment for Personality Disorders and Addiction
Personality disorders are deeply-ingrained and don’t respond to quick interventions. Our long-term, progress-based model gives clients the extended time needed to recognize their patterns, practice new ways of relating, and build a foundation for lasting change.
- Accurate Diagnosis Comes First
Proper identification of the specific disorder guides effective treatment planning. - Treating Both Conditions Together
Without addressing the underlying personality structure, sobriety is temporary. - Measuring Progress by Behavior, Not Days
Clients advance when they demonstrate genuine change in how they handle stress, conflict, and relationships.