What is Dialectical Behavior Therapy (DBT)?
DBT is a structured psychotherapy that teaches four core skills—mindfulness, emotion regulation, distress tolerance, and interpersonal effectiveness—to help people manage intense emotions, reduce self-destructive behaviors, and improve relationships. 1
Core Concept
DBT is based on the theory that certain behaviors (like self-harm or suicidal actions) are maladaptive attempts to cope with overwhelming negative emotions 1. Rather than simply being "bad" behaviors, they serve a function—they temporarily regulate painful feelings and can elicit help from others. DBT teaches healthier alternatives to achieve these same goals.
The Four Skill Modules
DBT teaches practical skills organized into four areas 1, 2:
Mindfulness: Techniques borrowed from Zen meditation to enhance emotional control and reduce identity confusion. This helps you observe your thoughts and feelings without being overwhelmed by them.
Emotion Regulation: Learning to identify what you're feeling, reduce emotional vulnerability, and increase positive experiences in your life.
Distress Tolerance: Building capacity to accept and tolerate painful situations without making them worse through impulsive actions. This includes self-soothing techniques and distraction strategies.
Interpersonal Effectiveness: Assertiveness training and problem-solving skills to navigate relationships more successfully while being aware of your goals in social situations.
Treatment Structure
Traditional DBT typically involves 1, 3:
- Weekly individual therapy sessions: Review of a diary tracking behaviors, emotions, and skill use; behavioral analysis of problems; and collaborative problem-solving
- Weekly skills training group: Learning and practicing the four skill modules
- Phone consultation: Between-session coaching to apply skills in real-time crisis situations
- Therapist consultation team: Ensures therapists receive support and maintain treatment fidelity
The standard treatment lasts approximately one year 1.
Who Benefits Most
DBT is the only psychotherapy with randomized controlled trial evidence showing it reduces suicidality in adults with borderline personality disorder 1. It has since been adapted and shown promise for:
- Adolescents with suicidal behaviors and borderline features 1, 4
- Substance use disorders 3
- Eating disorders 3
- Mood disorders including bipolar disorder 2
- Depression and anxiety in various populations 3, 5
Key Therapeutic Elements
What makes DBT distinct from other cognitive-behavioral therapies is its dialectical philosophy—constantly balancing acceptance of the person as they are with the need for change 6. The therapist validates the patient's emotional experiences while simultaneously pushing for behavioral change. This "both/and" rather than "either/or" approach helps patients feel understood while still working toward improvement.
The treatment also emphasizes the therapeutic relationship as crucial, with validation and safety being central to creating an environment where change can occur 7.
Practical Considerations
For adolescents (DBT-A), the treatment is modified to be shorter (two 12-week stages instead of one year), uses simpler language, covers fewer skills, and importantly, involves family members in skills training 1. Family participation helps create a supportive home environment and teaches relatives to model and reinforce the adolescent's new adaptive behaviors.
The treatment requires highly trained therapists and significant commitment from patients 8. Patients must be willing to track their behaviors daily, attend all sessions, and practice skills between sessions. The phone consultation component requires patients to actively reach out for coaching rather than waiting for crises to escalate.
Evidence for Effectiveness
While DBT shows the strongest evidence for reducing self-harm and suicidal behaviors in borderline personality disorder 1, 3, the evidence base continues to grow. For adolescents with mood disorders and suicidality, DBT has demonstrated reductions in depressive symptoms, decreased suicidal ideation (83% of DBT participants showed decreased suicidal ideation versus 50% increase in standard care), and increased time in stable mood states 2.
The most recent guideline evidence (2025) recommends DBT-A as the primary intervention with empirical support for young people who self-harm 4, though more robust research is still needed across various populations.