IFS Therapy (Internal Family Systems): A Practical Guide
IFS therapy works with the different 'parts' of a person's mind and a core Self. This guide explains what sessions involve, the main techniques, and what the evidence shows.
On this page
- IFS Overview and History
- Core Theoretical Concepts
- Understanding the Parts
- The Self and Self-Leadership
- The IFS Therapy Process
- IFS Techniques and Methods
- Clinical Applications
- Research and Effectiveness
- IFS vs. Schema Therapy
- Limitations and Criticisms
- Finding an IFS Therapist
- Resources and Further Learning
- Conclusion
- Frequently asked questions
- Sources
IFS therapy (Internal Family Systems therapy) is a form of psychotherapy, developed by family therapist Richard Schwartz in the 1980s, that treats the mind as made up of many "parts" (sub-personalities with their own feelings and roles) and a calm, compassionate core called the Self. In sessions, the therapist helps a person turn inward, get to know protective parts, and, with their permission, help wounded parts release painful beliefs and emotions, a process called unburdening.
IFS is widely used for trauma, self-criticism, anxiety, depression and inner conflict, and it has become one of the most popular therapies of the past decade. Its research base is growing but still small, so it is best described as promising rather than as an established first-line treatment. This page focuses on IFS as a therapy in practice: what happens in sessions, the techniques therapists use, what the evidence shows, and how it compares with approaches such as schema therapy. For the theory of parts and Self in more depth, see our companion guide to the Internal Family Systems model.
IFS Overview and History
Development of IFS
Richard Schwartz, a family therapist trained in systems thinking, developed IFS in the early 1980s while working with clients with bulimia. He noticed that clients would describe internal conflicts using parts language: "Part of me wants to binge, but another part feels disgusted." Rather than viewing this as metaphorical, Schwartz took it literally and began directly addressing these parts in therapy.
What emerged was a systematic model recognizing that: (1) everyone has multiple parts, not just people with severe mental illness; (2) parts are not pathological but protective systems that developed for good reasons; (3) beneath protective and wounded parts exists an undamaged Self with innate healing wisdom; and (4) when the Self leads, parts naturally heal and transform.
Theoretical Foundations
IFS integrates multiple therapeutic traditions:
- Systems Theory: borrowed from family systems therapy, Understanding the psyche as an interconnected system where changes in one part affect the whole
- Gestalt Therapy: Working directly with different aspects of self through dialogue and embodiment
- Narrative Therapy: Exploring the stories parts tell and creating new narratives
- Mindfulness Traditions: Cultivating non-judgmental awareness and compassion toward internal experience
- Attachment Theory: Recognizing how early relationships shape internal protective systems
Recognition and Growth
IFS grew from a niche model into one of the most widely discussed therapies of the 2010s and 2020s, helped by popular books such as Schwartz's No Bad Parts (2021). Training is coordinated by the IFS Institute (founded as the Center for Self Leadership in 2000), and demand for training has at times exceeded available places. In 2015 IFS was listed on the US National Registry of Evidence-based Programs and Practices (NREPP), a federal registry since discontinued, largely on the basis of a trial in rheumatoid arthritis. Its popularity has outpaced its research base, a gap discussed below.
Core Theoretical Concepts
Multiplicity of Mind
IFS proposes that the mind naturally organizes into discrete sub-personalities or parts, each with its own viewpoint, emotions, memories, and goals. This is not pathological dissociation but normal mental organization. We commonly experience this multiplicity: feeling conflicted about decisions, noticing different moods or personas in different contexts, or experiencing internal dialogue.
Parts develop across the lifespan, influenced by family dynamics, cultural messages, and life experiences. Some parts form early to meet childhood needs, while others develop in response to trauma or life transitions. Each part has positive intentions—protecting from pain, maintaining connection, or ensuring survival—even when its strategies create problems.
The Three Categories of Parts
IFS identifies three types of parts in the internal system:
Exiles are young, vulnerable parts carrying painful emotions and memories from the past—shame, terror, abandonment, worthlessness. These parts remain frozen in traumatic moments, believing the pain is still happening. The system typically keeps exiles locked away to prevent overwhelming emotional flooding.
Managers are proactive protectors working to keep exiles suppressed and the person safe from future harm. They maintain control through strategies like perfectionism, intellectualizing, caretaking, planning, or vigilance. Managers often developed early in life and carry significant responsibility for keeping the system functional.
Firefighters are reactive protectors that activate when exiles break through despite managers' efforts. They work to extinguish emotional pain through impulsive, distracting behaviors: substance use, binge eating, self-harm, rage, dissociation, or compulsive activities. While problematic, firefighters serve the protective function of preventing overwhelming pain.
No Bad Parts
A fundamental IFS principle is that all parts are welcome and have positive intentions, regardless of their behaviors. Parts don't need to be eliminated or controlled but rather understood, appreciated for their protective efforts, and helped to update their roles. This non-pathologizing stance creates safety for parts to reveal themselves and consider new ways of protecting.
Understanding the Parts
Common Manager Strategies
Managers employ various strategies to maintain control and prevent vulnerability:
- The Perfectionist: Maintains impossibly high standards to avoid criticism and failure
- The Critic: Judges harshly to motivate improvement and prevent shame
- The Caretaker: Focuses on others' needs to maintain connection and avoid abandonment
- The Planner: Stays busy organizing and preparing to prevent uncertainty
- The Controller: Manages environment and relationships to feel safe
- The Intellectual: Lives in thinking to avoid feeling
Common Firefighter Behaviors
Firefighters activate when pain breaks through, using immediate relief strategies:
- Substance use (alcohol, drugs, food) to numb emotional pain
- Binge eating, restricting, or purging to regain control or soothe
- Self-harming behavior as an attempt to regulate overwhelming internal pain
- Rage or aggression to discharge overwhelming emotions
- Compulsive activities (work, exercise, sex, shopping) for distraction
- Dissociation or spacing out to escape reality
IFS frames these behaviors as protective attempts, not character flaws, but they can be serious and often need additional support. Anyone having thoughts of suicide or self-harm should seek help promptly; see crisis resources.
The Burdens Parts Carry
In IFS, "burdens" are extreme beliefs and emotions that parts take on from traumatic experiences—worthlessness, terror, shame, rage. These aren't inherent to parts but absorbed from harmful situations. A core IFS goal is unburdening: helping parts release these painful beliefs and emotions, allowing them to return to their natural, healthy states and take on new, chosen roles in the system.
The Self and Self-Leadership
Qualities of Self
The Self is the core of consciousness that exists separate from parts. When accessed, it naturally expresses the "8 C's" of Self-leadership:
- Curiosity: Genuine interest in understanding parts without judgment
- Calm: Physiological settledness even in challenging situations
- Clarity: Ability to see situations accurately without distortion
- Compassion: Kindness toward all parts of self and others
- Confidence: Trust in ability to handle challenges
- Creativity: Flexible, generative problem-solving
- Courage: Willingness to take risks and be vulnerable
- Connectedness: Sense of belonging to something larger
Self-Leadership
When the Self leads the internal system, parts can relax their extreme roles. The Self listens to all parts with curiosity and compassion, helps negotiate conflicts between parts, witnesses and validates exiles' pain, and guides the system toward values-aligned living. This isn't about parts disappearing but about the Self becoming the primary decision-maker rather than reactive parts.
Accessing Self
The Self is always present but often obscured by activated parts. In IFS therapy, accessing Self involves asking parts to "step back" or "unblend" so Self can lead. When successful, clients report feeling more spacious, grounded, and compassionate. The therapist helps identify when parts are blended (taking over consciousness) versus when Self is present, gradually building capacity for Self-leadership.
The IFS Therapy Process
Initial Assessment and Psychoeducation
IFS therapy begins with explaining the model and helping clients identify their parts. Many people immediately recognize different parts of themselves once given this framework. The therapist assesses presenting problems through a parts lens: which parts are most active, what they're trying to protect, and which exiles they're guarding.
The Six F's Protocol
The core IFS therapeutic process follows six steps:
- Find: Identify a target part to work with, noticing where it's located in or around the body
- Focus: Bring attention to the part, observing its qualities without trying to change it
- Flesh out: Get to know the part by asking about its role, feelings, and what it wants you to know
- Feel toward: Notice how you feel toward the part; if not curious/compassionate, ask interfering parts to step back
- beFriend: Develop relationship with the part through continued dialogue and appreciation for its efforts
- Fear: Ask what the part is afraid would happen if it stopped its role, revealing the exile(s) it protects
Working with Protectors First
IFS always works with protective parts (managers and firefighters) before accessing exiles. Attempting to work with vulnerable parts too quickly activates protective parts that shut down the process or escalate symptoms. By first developing relationship with protectors and understanding their concerns, the Self earns their trust and permission to help the exiles they guard.
Witnessing and Unburdening Exiles
Once protectors grant permission, the Self can witness exiles' stories and pain. This isn't re-traumatization but compassionate witnessing from Self-led consciousness. The exile shows what happened, and the Self validates that the pain was real and undeserved. This witnessing itself is healing.
Unburdening follows witnessing. The exile is invited to release the burdens it carries—shame, terror, worthlessness—often through symbolic imagery like washing away, burning, or returning burdens to their source. As burdens lift, the exile naturally transforms, often appearing younger, lighter, or more joyful. It can then take on a new, chosen role in the system.
Updating Protectors
After exiles unburden, protectors who guarded them can relax their extreme roles. They're invited to notice that the exile is no longer in danger and consider taking on new roles. Many protectors welcome this relief, though some need reassurance that they're still valued and won't be abandoned. The Self helps protectors find new, less burdensome ways to contribute to the system.
IFS Techniques and Methods
Direct Access
In direct access, the client maintains Self-leadership while focusing on and communicating with parts. The therapist guides the process through questions like "What does this part want you to know?" or "How do you feel toward this part?" The client reports back what they're experiencing, and the therapist helps navigate obstacles.
Therapist as Facilitator
When clients struggle to access Self or stay unblended, the therapist can speak directly to parts on the client's behalf. The therapist models Self-energy—curiosity, compassion, calm—while asking parts about their concerns and roles. This demonstrates how Self can relate to parts and helps clients develop their own Self-to-part relationships.
Parts Mapping
Creating visual representations of the internal system helps clients understand relationships between parts. Maps might show protectors surrounding exiles, conflicts between parts, or the organization of the system. This externalization creates perspective and can reveal dynamics not obvious in verbal description.
U-Turn
When clients describe others' behaviors triggering them, IFS invites a "U-turn"—shifting attention from the external person to the internal part that's reacting. Rather than analyzing why someone else behaves a certain way, the focus moves to understanding which part is activated and what it needs. This empowers clients to work with what they can control: their internal system.
Do-Overs
For exiles frozen in traumatic moments, do-overs involve the Self entering the memory and providing what was needed but unavailable—protection, comfort, validation. The Self might comfort a frightened child part, stand up to an abuser, or simply be present with the exile. This reparative experience helps exiles update their beliefs about safety and worth.
Clinical Applications
IFS is used across many presenting problems. The descriptions below explain how IFS therapists understand each problem; they are not evidence that IFS is the most effective treatment for it.
Trauma and PTSD
IFS is often chosen for trauma because it works with parts at their own pace and does not require repeated retelling of traumatic events. Exiles are approached only when protectors agree, and the Self's compassionate witnessing is intended to provide a corrective emotional experience. Early studies with adults with histories of childhood trauma are encouraging, but IFS has not yet been compared directly with established trauma treatments such as prolonged exposure, cognitive processing therapy or EMDR.
Depression and Anxiety
From an IFS perspective, depression often involves exiles carrying worthlessness or hopelessness, with managers trying to keep life functioning and firefighters seeking relief through withdrawal. Anxiety is often understood as managers working overtime to prevent feared outcomes. Therapy aims to help these protective parts relax and to unburden the exiles they guard. A small pilot trial in college women with depression reported encouraging reductions in symptoms.
Eating Disorders and Addiction
Schwartz first developed IFS while working with clients with bulimia, and IFS therapists often understand eating-disorder and addictive behaviors as firefighters trying to manage overwhelming emotion. The non-shaming approach helps people develop compassion for parts engaged in these behaviors. These problems usually need multidisciplinary care, and IFS research in these areas is still at an early stage.
Relationship Difficulties
IFS helps people notice how their parts show up in relationships: a manager seeking approval might drive people-pleasing, while an exile fearing abandonment might fuel relationship anxiety. Adapted couples approaches, such as Toni Herbine-Blank's Intimacy from the Inside Out, help partners recognize when parts rather than Selves are doing the arguing.
Physical Health Conditions
IFS has been studied as a complement to medical care for chronic conditions. The best-known trial, by Nancy Shadick and colleagues (2013), found that people with rheumatoid arthritis who received IFS-based therapy reported improvements in pain, depression and self-compassion compared with an education control group, although disease activity measures changed little. IFS is not a substitute for medical treatment.
Research and Effectiveness
Evidence Base
The research on IFS is growing but small. Key studies include:
- Rheumatoid arthritis (Shadick et al., 2013): a randomized trial with fewer than 100 participants found IFS-based group and individual therapy improved self-reported pain, physical function, depression and self-compassion compared with an education control.
- Depression (Haddock et al., 2017): a small pilot randomized trial in female college students found reductions in depression symptoms with IFS, though the sample was too small for firm conclusions.
- PTSD (Hodgdon et al., 2022): an uncontrolled pilot study of adults with multiple childhood traumas reported large reductions in PTSD symptoms after 16 sessions, with most participants no longer meeting PTSD criteria. Without a control group, these results need confirmation.
Overall, IFS shows promise, but there are few randomized controlled trials, most studies are small, and many involve researchers connected to the model. Professional guidelines for PTSD and depression do not currently list IFS as a recommended first-line treatment.
Mechanisms of Change
Proposed mechanisms include increased self-compassion and reduced self-criticism, improved emotion regulation, resolution of internal conflict, and a more accepting relationship with difficult emotions. Some of these overlap with mechanisms studied in other therapies, such as self-compassion research and mindfulness-based approaches. Whether IFS's specific techniques add benefit beyond these shared factors has not been tested.
IFS vs. Schema Therapy
IFS is often compared with schema therapy, developed by Jeffrey Young, because both describe the mind in terms of parts or "modes." Schema therapy's vulnerable child mode resembles an IFS exile, and its coping modes (such as the detached protector) resemble IFS protectors. The approaches differ in important ways:
| IFS therapy | Schema therapy | |
|---|---|---|
| Core idea | Parts led by an undamaged, compassionate Self | Early maladaptive schemas and modes formed when childhood needs were unmet |
| Who heals the parts | The client's own Self, guided by the therapist | The therapist actively "limited reparents" the client's child modes, alongside the healthy adult mode |
| Typical techniques | Inner dialogue with parts, unburdening | Imagery rescripting, chair work, cognitive and behavioral techniques |
| Main evidence | Small trials and pilot studies | Multiple randomized trials, especially for borderline personality disorder |
Our detailed IFS vs schema therapy comparison covers the differences in more depth.
Limitations and Criticisms
- Limited evidence: as described above, there are few rigorous controlled trials.
- Claims about the Self: the idea of an undamaged Self in everyone is a philosophical and clinical assumption rather than a tested scientific finding.
- Risk of overwhelm: approaching exiles too quickly can flood vulnerable clients with distress, so pacing and therapist skill matter, especially with complex trauma or dissociation.
- Memory concerns: as with other approaches that work with childhood memories through imagery, clinicians are cautioned not to suggest or "recover" memories that a client does not already report.
- Popularity and training quality: because IFS is fashionable, some practitioners advertise it after minimal training, and self-help use for serious trauma can be risky.
If distress becomes overwhelming at any point, contacting a therapist or using crisis resources is important.
Finding an IFS Therapist
IFS Training Levels
The IFS Institute offers structured training:
- Level 1 Training: Introduction to IFS concepts and basic practice
- Level 2 Training: Advanced work with trauma and complex cases
- Level 3 Training: Deepening practice and preparing for certification
- Certified IFS Therapist: Completed all training levels plus consultation requirements
Finding Practitioners
Resources for locating IFS therapists:
- IFS Institute Therapist Directory: Search by location and certification level
- General therapist directories: many allow filtering by modality; our guide to finding a therapist explains how to use them
Questions to Ask
- What level of IFS training have you completed?
- Are you a certified IFS therapist?
- What percentage of your practice uses IFS?
- How do you integrate IFS with other therapeutic approaches?
- Do you have experience treating [specific condition] with IFS?
Resources and Further Learning
Richard Schwartz's books are the main sources on IFS: Internal Family Systems Therapy (with Martha Sweezy; 2nd edition 2020) is the clinical text, No Bad Parts (2021) is written for general readers, and You Are the One You've Been Waiting For applies IFS to intimate relationships. Jay Earley's Self-Therapy describes how people can use IFS ideas on their own. Self-help materials can be a useful introduction, but working with significant trauma is best done with a trained clinician. The IFS Institute provides information on training and a directory of practitioners.
Conclusion
IFS therapy offers a distinctive way of working: rather than fighting difficult emotions or behaviors, it invites curiosity about what protective parts are trying to do and compassion for the wounded parts they guard. Many clients find this non-pathologizing approach reduces shame and makes inner conflict easier to understand.
At the same time, IFS is a young therapy with a small evidence base, and its popularity has run ahead of the research. For people drawn to the parts-and-Self framework, a properly trained, licensed IFS therapist is a sensible choice, ideally one who can also discuss how IFS compares with better-established options for the specific problem.
Frequently asked questions
What happens in an IFS therapy session?
A typical session starts with a check-in about which parts feel active. The therapist then helps the person turn inward, often with eyes closed, to notice a part, where it is felt in the body, and how they feel toward it. The person asks the part questions from a curious, calm state and reports what they notice, while the therapist guides the process and helps other parts step back.
How long does IFS therapy take?
There is no fixed length. Some people notice changes within a few months of weekly sessions, while work with complex trauma often continues for a year or more. Research protocols have used around 16 sessions. Because IFS moves at the pace protective parts allow, progress can feel slow at first and then speed up once protectors trust the process.
Is IFS therapy evidence-based?
IFS has some supporting evidence, including a randomized trial in rheumatoid arthritis and pilot studies for depression and PTSD, and it was listed on a US federal registry in 2015. However, there are few rigorous trials, and major treatment guidelines do not list it as a first-line therapy. It is best described as a promising approach that needs more research.
What is the difference between IFS and schema therapy?
Both describe the mind in terms of parts or modes. In IFS, healing comes mainly from the client's own Self forming a relationship with their parts. In schema therapy, developed by Jeffrey Young, the therapist actively 'reparents' vulnerable child modes and uses imagery rescripting and chair work. Schema therapy has considerably more trial evidence, especially for borderline personality disorder.
Can I do IFS on my own?
Many people use IFS ideas in daily life, such as noticing 'a part of me feels anxious' rather than 'I am anxious,' and books like Jay Earley's Self-Therapy describe self-guided practice. Gentle self-reflection like this is generally low-risk. Working with painful memories or trauma on one's own can be overwhelming, however, and is better done with a trained therapist.
Sources
- Schwartz, R. C., & Sweezy, M. (2020). Internal Family Systems Therapy (2nd ed.). Guilford Press.
- Schwartz, R. C. (2021). No Bad Parts: Healing Trauma and Restoring Wholeness with the Internal Family Systems Model. Sounds True.
- Shadick, N. A., Sowell, N. F., Frits, M. L., et al. (2013). A randomized controlled trial of an internal family systems-based psychotherapeutic intervention on outcomes in rheumatoid arthritis: A proof-of-concept study. The Journal of Rheumatology, 40(11), 1831–1841.
- Haddock, S. A., Weiler, L. M., Trump, L. J., & Henry, K. L. (2017). The efficacy of internal family systems therapy in the treatment of depression among female college students: A pilot study. Journal of Marital and Family Therapy, 43(1), 131–144.
- Hodgdon, H. B., Anderson, F. G., Southwell, E., Hrubec, W., & Schwartz, R. (2022). Internal family systems (IFS) therapy for posttraumatic stress disorder (PTSD) among survivors of multiple childhood trauma: A pilot effectiveness study. Journal of Aggression, Maltreatment & Trauma, 31(1), 22–43.
- Young, J. E., Klosko, J. S., & Weishaar, M. E. (2003). Schema Therapy: A Practitioner's Guide. Guilford Press.