Table of Contents

Personality Disorder Diagnosis

Diagnosing personality disorders requires a comprehensive clinical assessment by a qualified mental health professional, such as a psychiatrist, psychologist, or licensed therapist.

Since no single test can confirm a diagnosis, the assessment typically includes:

  1. Clinical Interview: A detailed clinical interview explores the patient’s medical history, symptoms, background, and current functioning. This allows the clinician to understand the individual’s thoughts, emotions, and behaviors in various contexts.
  2. Diagnostic Criteria: Clinicians assess symptoms based on established criteria such as those outlined in the Diagnostic and Statistical Manual of Mental Disorders (DSM) published by the American Psychiatric Association. Each personality disorder has specific diagnostic criteria that must be met for a formal personality disorder diagnosis.
  3. Behavioral Observation: Observations of a patient’s behavior and interpersonal interactions may provide insights into their personality traits and relational patterns.
  4. Psychological Testing: Psychological assessments can provide additional information about a patient’s personality traits, emotional experiences, and possible psychopathology. Common assessments include the Minnesota Multiphasic Personality Inventory (MMPI), Millon Clinical Multiaxial Inventory (MCMI), and Personality Assessment Inventory (PAI). LifeStance offers a wide range of psychological assessments to diagnose personality disorders.
  5. Collateral Information: Information from family members, close friends, or other significant individuals in the patient’s life may provide a more comprehensive perspective on a patient’s personality and behavior.
  6. Cultural Considerations: Different cultures may have distinct norms regarding emotional expression, communication styles, and social behavior. The clinician takes into account cultural factors that may influence a patient’s personality expression, ensuring a culturally sensitive diagnosis.
  7. Differential Diagnosis: Given the overlap with other psychiatric conditions, clinicians carefully rule out alternative explanations for symptoms.

Given the complexity and variability of personality disorders, it is essential to use a comprehensive approach to diagnosis, involving multiple assessment methods.

Diagnostic Criteria

Diagnosing personality disorders can be challenging due to the high rate of co-occurrence among different disorders.

The diagnostic criteria for personality disorders are outlined in the Diagnostic and Statistical Manual of Mental Disorders (DSM), which is published by the American Psychiatric Association. The DSM provides standardized diagnostic guidelines for each personality disorder, which mental health professionals use to evaluate and diagnose patients.

Treatment of Personality Disorders

Psychotherapy for Personality Disorders

Psychotherapy, commonly known as talk therapy, is the primary approach for treating personality disorders. It involves engaging with a trained mental health professional to explore and modify maladaptive thought patterns and behaviors.

Several therapeutic modalities have proven effective in treating personality disorders:

  • Cognitive Behavioral Therapy (CBT): CBT is a widely used therapy that helps individuals recognize and change negative thought patterns. By doing so, it fosters healthier behaviors and emotional responses, providing people with practical tools to manage stress, anxiety, depression, and other challenges.
  • Dialectical Behavior Therapy (DBT): DBT is particularly helpful for individuals struggling with intense emotions, including those with borderline personality disorder. It focuses on building essential skills in emotional regulation, distress tolerance, and improving relationships, helping individuals feel more in control of their emotions and interactions.
  • Mentalization-Based Therapy (MBT): MBT strengthens a person’s ability to understand their own thoughts and feelings, as well as those of others. This leads to healthier relationships and improves emotional well-being, making it especially useful for those who experience difficulties in understanding and managing social interactions.
  • Psychoanalytic Therapy: This in-depth therapy explores unconscious thoughts, past experiences, and relationship patterns to uncover the root causes of emotional distress. Techniques like free association, dream analysis, and exploring past relationships may help increase self-awareness, resolve inner conflicts, and promote lasting emotional healing and personal growth. It is especially beneficial for individuals dealing with unresolved trauma, persistent emotional struggles, or recurring relationship challenges.

Medication for Personality Disorders

While no medications are specifically approved to treat personality disorders, certain psychiatric medications can help manage symptoms associated with these conditions:

  • Antidepressants: Useful for addressing symptoms of depression, anxiety, or irritability.
  • Mood Stabilizers: Assist in regulating mood swings and reducing impulsivity.
  • Antipsychotic Medications: May be prescribed if symptoms include psychosis or severe anxiety.

It’s important to note that medication is used in conjunction with psychotherapy and is tailored to the individual’s specific needs.

Integrated Treatment for Personality Disorders

An effective treatment plan often involves a combination of psychotherapy and medication, personalized to the individual’s specific personality disorder and associated symptoms. Collaboration among mental health professionals can help address the multifaceted nature of personality disorders.

At LifeStance Health we offer a range of mental health services to help you manage personality disorders, including medication management and psychotherapy. Our psychiatrists and therapists who specialize in personality disorders offer in-person and virtual appointments.

LifeStance Health is a national leader in mental, behavioral, and emotional wellness with multiple locations in 0 states. Services vary by location.

Find a provider near you:

References

Fassbinder E, Schweiger U, Martius D, Brand-de Wilde O, Arntz A. Emotion Regulation in Schema Therapy and Dialectical Behavior Therapy. Front Psychol. 2016 Sep 14;7:1373. doi: 10.3389/fpsyg.2016.01373. PMID: 27683567; PMCID: PMC5021701.
Matusiewicz AK, Hopwood CJ, Banducci AN, Lejuez CW. The effectiveness of cognitive behavioral therapy for personality disorders. Psychiatr Clin North Am. 2010 Sep;33(3):657-85. doi:10.1016/j.psc.2010.04.007. PMID: 20599139; PMCID: PMC3138327.
May JM, Richardi TM, Barth KS. Dialectical behavior therapy as treatment for borderline personality disorder. Ment Health Clin. 2016 Mar 8;6(2):62-67. doi: 10.9740/mhc.2016.03.62. PMID: 29955449; PMCID: PMC6007584.