The use of dbt in eating disorders [ed] - dialectical behavioral therapy

What is Dialectical Behavior Therapy and why it is used in EDs

Dialectical behavior therapy (DBT) is an evidence-based approach that combines behavioral strategies with dialectical principles and mindfulness. It was developed to treat high-risk behaviors and emotional dysregulation, and over time it has been adapted for eating disorders. Its rationale in this field is clear: many problematic eating behaviors function as attempts to regulate intense emotions, relieve tension, or regain a sense of control. DBT offers a set of skills and a treatment structure that helps replace those behaviors with safer, more effective alternatives.

Across the different diagnoses on the ED spectrum —restriction, binge eating, purging, compulsive exercise— DBT focuses on understanding the function of the behavior, reducing suffering without resorting to it, and building a life worth living, one of its core principles.

Principles and structure of treatment

Hierarchy of priorities

The treatment orders priorities so the work is clear and safe. First, behaviors that threaten life are addressed (for example, medical complications from malnutrition, severe purging, or self-harm). Next, those that interfere with therapy (recurrent absences, hiding information). Third, those that deteriorate quality of life (binges, excessive exercise, isolation, substance use), and finally work focuses on increasing skills and building personal goals.

Format and role of the team

DBT typically combines individual sessions, group skills training, and between-session support for brief crises. In EDs, it is integrated with a multidisciplinary team: clinical nutrition, medicine, and sometimes psychiatry. The DBT therapist coordinates with the rest to align goals, safety plans, and nutritional targets.

Key skills applied to EDs

Mindfulness and mindful eating

Mindfulness helps observe internal cues (hunger, satiety, emotions, bodily sensations) without judging or acting impulsively. At the table, this translates into eating with presence, noticing textures and flavors, and detecting the urge to stop due to anxiety.

Emotion regulation

You learn to name emotions, understand what triggers them, and decrease their intensity. Skills such as building a life with meaning, basic physical care, and scheduled pleasurable activities prevent the emotional vulnerability that often precipitates bingeing or restriction.

Distress tolerance and crisis management

When urges to purge, restrict, or binge arise, short-term crisis strategies are used. Waves of distress are accepted and ridden out without harming oneself until they pass. The key is that these are quick, concrete, and actionable alternatives.

Interpersonal effectiveness and environment

Relationships can feed symptoms (body criticism, social pressure to eat or not eat, conflicts). This skill helps ask for support, set boundaries, and negotiate needs without resorting to the eating behavior as a "solution".

Adaptations according to diagnosis

Binge-eating disorder

Treatment focuses on identifying emotional and contextual triggers of binges, delaying the response, and building alternatives. Practicing structured eating, monitoring hunger/satiety cues, and preventing the "all-or-nothing" mindset are emphasized. Chain analysis allows finding the first link and breaking the pattern with skills.

Bulimia nervosa

In addition to addressing binges, specific skills are introduced for the post-eating moment (avoiding purging). An emergency plan is prepared for the first hours after eating: contact with support, an incompatible activity, slow breathing, and brief cognitive reappraisal. Emotional validation reduces guilt and shame that perpetuate the cycle.

Anorexia nervosa and compulsive exercise

Priority is medical safety and coordinated nutritional restoration. DBT provides tools to tolerate the anxiety associated with meals and bodily changes, and to reduce rituals and compulsive exercise. Gradual exposures to feared foods are applied, combined with regulation and acceptance skills.

Evidence and expected outcomes

The literature shows that this approach reduces the frequency of binges and purges, improves emotion regulation, and decreases risky behaviors. In anorexia, data are more preliminary, but it is especially useful when there is impulsivity, self-harm, or intense dysregulation. Changes are usually seen first in skill use and crisis reduction, and then in eating symptoms and quality of life.

Practical examples of skills in day-to-day life

• 10-minute crisis plan: diaphragmatic breathing, cold water on the face, brief walk, message to a support person, manual activity (folding clothes, warm shower), calming music.
• STOP: Stop, take a breath, observe the urge, proceed with the planned skill.
• Pros and cons: quickly write costs and benefits of acting on the urge vs. using a skill; read it aloud.
• Surf the wave: set a 20-minute timer and commit not to act; the intensity usually decreases.
• Mindful eating: choose one meal a day to practice full presence, without multitasking.
• Skills kit: visible list, calming objects, snacks agreed with nutrition, support numbers.

Chain analysis and solutions

A central tool consists of breaking down step by step what happened before, during, and after a problem behavior. Vulnerabilities (sleep, stress), precipitating events, thoughts, emotions, sensations, and actions are identified. Then specific points are chosen to insert skills. This approach turns guilt into practical learning.

Integration with other approaches

The work is usually combined with nutritional intervention, and in many cases with CBT focused on EDs, family therapy in adolescents, or medication when indicated. Coordination improves adherence, reduces medical risks, and speeds progress.

Relapse prevention and maintenance

From the start, a plan is built for vulnerable periods: life changes, holidays, trips. Early warning signs and pre-agreed responses are defined. It is reviewed which skills have worked and they are consolidated as habits. Progress metrics include fewer urges, less time spent in the urge, greater skill use, and more flexibility with food.

• Early signs: skipping meals, increased rigid rules, isolation, compulsive searches about body or diet.
• Protective actions: resume structured eating, ask for an extra appointment, reinforce sleep and self-care, reduce exposure to triggers.

Limitations and ethical considerations

It is not a "one size fits all" approach. If there is medical instability, partial hospitalization or intensive management may be required. For some people, an approach focused on food and weight (for example, with a nutritionist and ED-specific therapy) will be the backbone, with DBT as a complement for emotional skills. Informed consent, risk assessment, and collaboration with family or support network are essential, especially in minors.

How to start safely and effectively

• Comprehensive assessment: medical history, eating pattern, weight and vital signs, comorbidities, risk.
• Clear and realistic goals: define what would be progress in 2, 4, and 12 weeks.
• Agreed nutritional structure: meal times and portions with professional guidance, integrated with skills.
• Skills training: select 3–4 skills for intensive practice in the first week.
• Tracking card: note urges, skills used and outcomes; review in session.
• Support network: identify 2–3 people, with scripts for asking for help.

Starting small and consistent works better than attempting drastic changes. Practicing skills outside of crises increases the likelihood of using them when they are most needed. With proper guidance and a coordinated plan, this approach can transform the relationship with food and, above all, with one's own emotions.

If there is immediate risk to health, suicidal ideation, or medical complications, it is essential to seek urgent professional care and follow the recommendations of the healthcare team.