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Internal Family Systems (IFS) Therapy

August 25, 2025
Internal Family Systems (IFS) therapy is a compassionate, non-pathologizing therapeutic modality that views the human mind as made up of different “parts." Developed in the 1980s by Dr Richard Schwartz, IFS blends concepts from systems thinking, talk therapy, and family therapy principles.
Internal Family Systems (IFS) Therapy
An IFS therapist works to help the Self emerge so it can nurture and heal wounded parts.
Nicole Arzt, LMFT By Nicole Arzt, licensed marriage and family therapist, author.

Rather than seeing certain behaviors or emotions as dysfunctional, IFS understands them as the efforts of protective inner parts. The idea is that each part is doing its best to help you survive. At its core, IFS helps people access their core Self, which is the calm, compassionate center within each of us, so that healing can occur across all parts of the system.

Core Concepts of the Internal Family Systems IFS Model

IFS begins with the idea that we are not a single, unified personality. Instead, our needs and emotions arise from different parts with different perspectives and roles. It is similar to the notion of having sub-personalities that carry you through daily life.

The internal family systems model also assumes that everyone can access their core Self. “Self” is your grounded, wise core that can engage in self-leadership once appropriately accessed.

Types of Parts

➤ Managers: These parts work proactively to keep you feeling a sense of control to avoid pain. A manager may show up with perfectionistic or people-pleasing tendencies. There may be an urge to stay constantly busy or productive. While sometimes harsh, their goal is to keep vulnerable parts from being triggered.

➤ Firefighters: When painful emotions emerge, firefighter parts rush in reactively to put out the “fire.” These parts drive impulsive behaviors such as overeating, substance use, self-harm, or angry outbursts. Though their strategies may cause external problems, their intent is protective.

➤ Exiles: Exiled parts are the traumatized parts that carry deep burdens of shame or fear. They are often young aspects that hold painful memories. Because their intensity can feel overwhelming, managers and firefighters work hard to keep them out of awareness.

The Self

The Self exists amid all the parts. In the internal family systems therapy model, IFS refers to a natural state of calm, clarity, compassion, and curiosity. An IFS therapist works to help the Self emerge so it can nurture and heal wounded parts.

Self energy refers to our natural state of calm, clarity, and compassion. IFS therapy focuses on helping the true Self emerge so it can care for and heal the parts, rather than leaving them stuck in extreme roles.

How IFS Therapy Works

The IFS institute embraces using a structured yet flexible process to help clients build relationships with their multiple parts. This common framework within the IFS process involves six steps:

Find – Noticing a part that’s present, often through body sensations, thoughts, or emotions. This first step creates gentle awareness that something inside you is seeking more attention.

Focus – Paying close attention to the part without judgment. By simply “being with” the part, you begin to create space for that part to reveal itself more fully.

Flesh Out – Learning more about the part’s qualities, such as its age, role, and feelings. The more details you gather, the easier it becomes to understand why this part shows up in the way it does.

Feel Toward – Exploring how the Self relates to this part (e.g., curiosity, fear, compassion). Your natural response offers valuable insight into what this part most needs from you.

Befriend – Developing trust and appreciation for the part’s protective role, particularly if this part has caused pain or trauma. Over time, the relationship shifts from inner conflict to more collaboration.

Fear – Discovering what the part is afraid could happen if it releases its protective role. Naming these fears gently allows the part to feel understood rather than pressured to change.

The overarching notion of IFS is that, once protectors feel safe, therapists can meet with the exiles and witness their pain. They can then support them in releasing burdens they’ve carried. Over time, all the various parts begin to reorganize around healing.

Efficacy of Internal Family Systems Therapy

Internal Family Systems therapy is a relatively new approach, but early research is showing encouraging signs that it can be both meaningful and effective, especially in areas like trauma, depression, and even physical health conditions. In 2015, IFS was posted on SAMHSA’s National Registry of Evidence-based Programs and Practices 1

  • A pilot feasibility study of an online, group-based IFS intervention for PTSD showed that participants experienced significant reductions in PTSD symptoms at both 16 and 24 weeks, along with improvements in self-compassion, emotion regulation, and decentering. About 53% of participants had clinically meaningful symptom reduction by week 24.2 
  • In a small randomized pilot study, college-aged women with moderate to severe depression were assigned to either IFS therapy or standard treatments (CBT or IPT). Both groups showed significant declines in depressive symptoms; IFS demonstrated preliminary evidence of similar effectiveness to more established methods.3
  • A proof-of-concept randomized trial with adults living with rheumatoid arthritis showed that an IFS-based intervention led to improvements in joint pain, physical functioning, self-compassion, and depressive symptoms. These benefits persisted even a year after treatment ended.4

Is IFS Right For You?

IFS can be effective for treating many different mental health concerns. IFS practitioners treat symptoms as parts rather than problems, allowing you to develop more compassion for yourself. Rather than feeling tormented by inner conflicts, you can learn to listen to your different needs and build more self-trust.

The internal system model can be beneficial for those experiencing:

  • Trauma and PTSD: Through helping exiles release burdens and calming protectors, IFS reduces flashbacks and intrusive memories.
  • Depression and anxiety: Parts that feel hopeless or critical are met with compassion, reducing symptoms and improving resilience.
  • Compulsive behaviors: Firefighter behaviors can shift once their protective intent is understood and alternative coping strategies are developed.
  • Relationship challenges: By fostering internal harmony, people often experience greater empathy, patience, and communication in relationships.
  • Chronic pain: Unburdening emotional pain may support easing physical suffering

Final Thoughts

IFS or parts work offers a fresh way of understanding yourself. This gentle framework allows you to honor all parts of you, even the ones that feel difficult or overwhelming. Rather than trying to silence or eliminate parts, IFS helps you build a compassionate relationship with them. This synergized energy helps you feel less fragmented and more whole.

IFS reminds you that you are not broken. Instead, your inner system is simply composed of many rich parts that desire healing, safety, and mental balance. 

Find an IFS Therapist near you.



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Sources

  1. Foundation for Self Leadership. (2015, November 23). IFS, an evidence-based practice. Foundation for Self Leadership. https://foundationifs.org/news-articles/79-ifs-an-evidence-based-practice
  2. Comeau, A., Smith, L. J., Smith, L., Soumerai Rea, H., Ward, M. C., Creedon, T. B., Sweezy, M., Rosenberg, L. G., & Schuman-Olivier, Z. (2024). Online group-based Internal Family Systems treatment for posttraumatic stress disorder: Feasibility and acceptability of the Program for Alleviating and Resolving Trauma and Stress (PARTS). Psychological Trauma: Theory, Research, Practice, and Policy, 16(Suppl 3), S636–S640. https://doi.org/10.1037/tra0001688
  3. 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. https://doi.org/10.1111/jmft.12184
  4. Shadick, N. A., Sowell, N. F., Frits, M. L., Hoffman, S. M., Hartz, S. A., Booth, F. D., Sweezy, M., Rogers, P. R., Dubin, R. L., Atkinson, J. C., Friedman, A. L., Augusto, F., Iannaccone, C. K., Fossel, A. H., Quinn, G., Cui, J., Losina, E., & Schwartz, R. C. (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. https://doi.org/10.3899/jrheum.121465