Internal Family Systems (IFS): What It Is and How It Heals Trauma
Updated: Sep 4
Most forms of therapy involve altering thinking or behavior patterns. Internal Family Systems takes a different approach. Rather than trying to change thoughts or behaviours, it encourages curiosity about why different parts of you think and act the way they do. Internal Family Systems (IFS) therapy was developed in the 1980s by Dr Richard Schwartz and is based on the belief that the human mind is composed of many internal systems, each with its unique perspective, role, and history.
IFS has now gained more than 3 million posts on TikTok and almost 75,000 posts on Instagram, demonstrating its growing interest among individuals who want to explore their inner experience more deeply. In 2015, IFS was officially listed on the National Registry for Evidence-based Programs and Practices, and research demonstrated substantial decreases in PTSD symptoms, depression, and dissociation. This blog will clarify what IFS is, how it works in practice, and how it supports the healing process.
Where Did IFS Come From?
Richard Schwartz created the Internal Family Systems approach in the 1980s while serving as a family therapist. It is based on his observation that many clients naturally described their internal experience as different voices or parts pulling them in different directions. Instead of considering it a symptom of a disorder, he mapped out the connections between the different internal parts.
Schwartz used systemic family therapy and adapted it for use in the inner world, viewing the mind as a system of subpersonalities rather than a single unified entity. The theory was first formulated for patients with eating disorders but is also applicable to trauma, depression, anxiety, addictions, and relationship issues, where protective parts are responsible for conflict patterns not understood by either party.
The Core Idea: You Are Made of Parts
The foundational premise of IFS is that the multiplicity of the mind is natural and healthy. The existence of different inner voices, drives, or reactions does not signify any disorder. This is just how the human psyche works.
The problem occurs when these parts play extreme roles due to past pain and trauma. For instance, if an inner part of you learns that emotional detachment is necessary for survival, then it will continue detaching in adulthood, too. IFS does not aim at eliminating these parts; it just establishes a relationship and helps unburden them.
The Three Types of Parts in IFS
IFS organises internal parts into three categories based on the roles they play within the internal system.
Part Type | Role | Common Behaviours |
Managers | Proactive protectors that keep daily life functioning | Perfectionism, people-pleasing, and emotional control |
Exiles | Parts that carry pain, shame, or fear from past experiences | Unworthiness, loneliness, grief, buried memories |
Firefighters | Reactive parts that suppress pain when exiles are triggered | Substance use, binge eating, dissociation, outbursts |
Managers and firefighters both serve a protective function, working to keep the pain of exiled parts from surfacing. What looks like self-sabotage from the outside is often a firefighter doing exactly what it was trained to do. Understanding this changes how a person relates to their own difficult behaviours.
What the Self Means in IFS
In the IFS model, the concept of the Self is at the centre of the model and is capitalised to signify that it is different from general identity. The Self is not a part. It is you as a whole, beneath all the parts, and undamaged, inherently wise, which IFS believes exists in all of us, even those who have suffered a lot of trauma.
The Self has the eight Cs: calmness, curiosity, clarity, compassion, confidence, creativity, courage, and connectedness. The aim of IFS therapy isn't to construct the Self from the ground up; it is to support a person to connect with the Self they already have by reducing the influence of parts that have learned to take over.
How IFS Heals Trauma
Trauma leaves its mark not in a single memory but in the parts that organised themselves around that experience. A history of childhood trauma shapes the exile that carries the original pain, the managers that prevent it from surfacing, and the firefighters that react when it breaks through. IFS addresses all three levels at once.
The therapist helps the client access their Self first, then build a genuine relationship with each part before working with the deeper exiles. When an exile is ready, the client re-enters the original painful experience with compassionate Self-energy present, a process called unburdening.
Research confirms this changes the memory at a neurobiological level, promoting adaptive neural rewiring and functional connectivity between the prefrontal cortex and subcortical regions.
What IFS Treats Effectively
IFS has its strongest research base in the following areas.
PTSD: A 2021 pilot study found IFS significantly decreased PTSD and depression symptoms in adults with histories of multiple childhood traumas. A 2024 study found 53% of participants experienced clinically meaningful PTSD symptom reduction after 24 weeks.
Depression: A 2016 study found IFS to be as effective as CBT and interpersonal therapy in reducing depression symptoms.
Anxiety: By addressing the protective parts that drive hypervigilance and worry, IFS reduces the internal pressure behind managing anxiety and stress as a daily pattern.
Substance use: IFS works with the firefighter parts driving substance use and the exiles those parts are trying to suppress, addressing the behaviour at its source.
Chronic pain: A randomised controlled trial found IFS improved pain outcomes, physical functioning, and self-compassion in rheumatoid arthritis patients.
Who Is IFS For?
IFS is for anyone who is going through internal conflict, constant self-criticism, emotional reactivity, or recurring patterns they don't understand. It is especially effective for those who have benefited from traditional talk therapy and who feel there is something they haven't discussed or addressed.
People with schizophrenia, dissociative identity disorder, or borderline personality disorder should be cautious because interacting with sub-personalities can worsen symptoms of these disorders. It is crucial to work with an IFS therapist who has been properly trained. The IFS Institute's Level 1 training consists of about 100 hours of supervised learning.
Conclusion
Internal family systems therapy provides an insight that no other treatment modality provides – a rational, caring explanation for why individuals feel split up and why they continue in behaviors that they want to stop. The acceptance of each component as having a valid function rather than as an entity that needs to be removed is the basis for healing within IFS.
At Soma House Counselling & Psychotherapy, Farnaz Farrokhi-Holmes, RCC, CCC, and EMDR therapist, offers trauma-informed, neuroscience-guided counselling through a biopsychosocial lens. The work is paced to support greater understanding, emotional safety, and meaningful change. If you’re ready to take the next step, book a session or a free 15-minute consultation to see whether working together feels like the right fit.
FAQs
Q1. What is IFS therapy?
Internal Family Systems is a therapy model that focuses on the mind as consisting of multiple inner parts that have been formed by life experiences and driven by an underlying compassionate Self that is never damaged by trauma.
Q2. What is unique about IFS?
IFS works at the level of the internal parts, driving thoughts and behaviours rather than targeting symptoms directly. It does not pathologise responses, but rather sees them as protective mechanisms that can be changed when the response to pain is managed.
Q3. How long does IFS therapy take?
One client can make substantial progress in 12 to 20 sessions if they have only one presenting problem. Engagement with complex or long-standing trauma may take longer, as there is a need for time for the internal system to develop a sense of trust before deeper aspects can be reached.
Q4. Is it possible to use other approaches with IFS?
Yes. IFS is compatible with EMDR, somatic therapies, and attachment-based therapies. Many therapists rely on it as a general structure, but add additional techniques to complement it as needed in the treatment.
Q5. Is a diagnosis necessary for IFS to be of benefit?
No. IFS is also useful for those who are not clinically diagnosed but feel emotionally conflicted, have a long history of self-criticism, or struggle to make sense of their own emotional responses.
