Dialectical behavior therapy (DBT) is a type of talk therapy used to treat intense emotional distress, self-harm, and patterns of behavior that interfere with daily life. It was originally developed to help people who were chronically suicidal, and the first clinical trials focused on people with borderline personality disorder (BPD). Since then, it has been adapted for eating disorders, substance use disorders, depression, PTSD, and emotional regulation problems in both adults and adolescents.
How DBT Differs From Traditional Talk Therapy
DBT grew out of cognitive behavioral therapy (CBT), but it works differently in important ways. CBT focuses on identifying negative thought patterns and replacing them with more rational ones. DBT does some of that too, but it places far more emphasis on accepting and validating your emotions rather than treating them as errors to correct. The word “dialectical” refers to holding two opposite ideas at once: accepting yourself as you are right now while also working to change behaviors that are causing harm.
This balance between acceptance and change is the engine of the therapy. A DBT therapist validates your experience and your struggles as real, not as something to argue yourself out of. At the same time, they help you build concrete skills to handle those struggles differently. DBT also draws on mindfulness practices rooted in Buddhist and Zen traditions, which is a significant departure from CBT’s more logic-driven, Socratic approach.
Standard DBT programs typically last six months to a year, considerably longer than most CBT courses, which often wrap up in a few weeks to several months.
The Core Conditions DBT Treats
Borderline Personality Disorder
BPD remains the condition most closely associated with DBT. The underlying theory, called the biosocial model, frames BPD as a pervasive disorder of the emotion regulation system. In this view, the behaviors that characterize BPD (impulsive actions, unstable relationships, intense mood swings) either function as attempts to regulate overwhelming emotions or are direct consequences of being unable to regulate them. DBT was built from the ground up to address this cycle.
Self-Harm and Suicide Prevention
DBT has some of the strongest evidence of any therapy for reducing self-harm and suicide attempts. A large randomized clinical trial of 173 adolescents at high risk for suicide found that those who received DBT were roughly 70% less likely to make a repeat suicide attempt compared to those receiving standard supportive therapy. The results were similarly strong for non-suicidal self-injury and overall self-harm, with comparable reductions across all three measures.
Eating Disorders
DBT has been adapted specifically for binge eating disorder, with a focus on the emotional triggers behind binge episodes. In a randomized controlled trial, participants who completed 20 sessions of DBT over 10 weeks showed significant reductions in binge eating severity and improvements in their ability to regulate emotions, compared to a control group. The therapy zeroes in on what many other eating disorder treatments don’t: the role of emotions in driving the behavior, rather than focusing primarily on thoughts about food or body image.
Substance Use Disorders
A version called DBT-SUD adds strategies tailored to addiction. One key concept is “dialectical abstinence,” which combines a firm commitment to sobriety with full acceptance that slips will happen as part of learning. Rather than treating a relapse as total failure, the therapy treats it as information and helps the person recommit.
DBT-SUD also introduces the idea of three “states of mind” around substance use. “Addict Mind” is consumed by cravings and the emotional benefits of using. “Clean Mind” pushes away all reminders of consequences and risks, creating a false sense of security. “Clear Mind” holds both realities at once: fully pursuing sobriety while staying honest about the ongoing pull of substance use. Additional strategies include regular phone check-ins to strengthen the therapeutic relationship and social networking support to reduce isolation, which is a common relapse trigger.
The Four Skill Sets You Learn
DBT is built around four modules of practical skills, taught in group sessions and reinforced in individual therapy.
- Mindfulness: The foundational skill. You learn to observe your thoughts, emotions, and surroundings without judging them as good or bad. The goal is to stay present rather than getting swept into emotional reactions. Specific practices include observing your inner state, describing it in factual terms, and fully participating in whatever you’re doing without letting your mind spiral.
- Distress tolerance: Skills for surviving a crisis without making it worse. Rather than trying to fix painful emotions in the moment, you learn to ride them out without resorting to self-harm, substance use, or other destructive responses.
- Emotion regulation: Strategies for understanding your emotions, reducing vulnerability to intense emotional reactions, and shifting emotions when they don’t fit the situation.
- Interpersonal effectiveness: Tools for asking for what you need, setting boundaries, and maintaining relationships, even during conflict. This module addresses the relationship instability that often accompanies emotional dysregulation.
What a Standard DBT Program Looks Like
A full DBT program has several moving parts. You attend weekly individual therapy sessions where you and your therapist work through specific problems using the skills you’re learning. Separately, you attend a weekly skills training group, which is more like a class than group therapy. The group setting is where the four modules are taught and practiced.
Between sessions, you have access to phone coaching. This means you can contact your therapist (or another member of the treatment team) when you’re in a moment of crisis and need help applying your skills in real time. This component is unusual in therapy and reflects DBT’s recognition that the hardest moments happen outside the therapist’s office.
Behind the scenes, your treatment providers meet regularly as a consultation team. These meetings exist to help therapists support each other, manage the stress of working with high-risk clients, and stay sharp in delivering the therapy correctly. This built-in support structure is one reason DBT tends to maintain quality across different settings.
DBT for Adolescents
A version called DBT-A is designed for teenagers ages 13 to 18 who struggle with emotional regulation. The biggest structural difference from adult DBT is the involvement of family. Skills training groups include both adolescents and their family members, and the curriculum adds a fifth module called “Walking the Middle Path.” This module helps families recognize that there are multiple valid ways to view a problem and teaches skills for de-escalating and resolving conflicts at home.
Family members can also access phone coaching from a separate provider, so they have their own real-time support when situations escalate. Optional family therapy sessions can be folded into the adolescent’s individual therapy or scheduled separately, depending on what the family needs. The goal is to reshape the home environment so it reinforces the skills the teenager is learning, rather than undermining them.
Who DBT Works Best For
DBT is most effective for people whose core struggle is emotional intensity and the behaviors that flow from it. If you find yourself in repeated crises, cycling through relationships, turning to self-harm or substances to cope, or feeling emotions so intensely that they derail your ability to function, DBT was designed with you in mind. It is less about exploring the roots of your problems and more about giving you practical tools to handle what’s happening right now, while building a life that feels worth living.
The therapy asks for real commitment. Between individual sessions, group skills training, homework practice, and phone coaching, it’s a significant investment of time. But for people dealing with the kinds of problems that haven’t responded to shorter or less structured therapies, that intensity is often what makes the difference.