C-PTSD: When Trauma Is a Pattern, Not a Single Event
“Complex trauma is fundamentally relational trauma. In other words, this is trauma caused by bad relationships with other people—people who were supposed to be caring and trustworthy and instead were hurtful. The only way you could heal from relational trauma, he figured, was through practicing that relational dance with other people. We had to go out and practice maintaining relationships in order to reinforce our shattered belief that the world could be a safe place.”
— Stephanie Foo, What My Bones Know
What is Complex Post-Traumatic Stress Disorder? Defining C-PTSD
We tend to think of trauma as something obvious. A single, overwhelming event. Something you can point to and say: Yep,that’s what did it.
But for many people, it doesn’t look like that.
Sometimes the wound isn’t one moment or one event. Sometimes it’s a pattern—a tone or a cadence you’ve come to expect in certain relationships, or a way of being shaped slowly over time.
This is where Complex PTSD (C-PTSD) lives.
C-PTSD describes the impact of prolonged, repeated, or relational trauma, often occurring in environments where safety wasn’t possible, or where the harm was subtle enough that it went unnamed.
While PTSD is often associated with a single-event trauma (like an accident, assault, or natural disaster), C-PTSD is more often rooted in chronic experiences, especially those that happen in childhood or within close relationships.
C-PTSD vs PTSD: What’s the Difference?
C-PTSD includes many of the core symptoms of PTSD, such as:
Intrusive memories or emotional flashbacks
Avoidance
Hypervigilance
A nervous system that feels stuck “on”
But C-PTSD often extends further into how we experience ourselves and others:
A persistent sense of shame, defectiveness, or “something is wrong with me”
Difficulty with trust, intimacy, or boundaries
Emotional dysregulation (feeling too much, too fast—or going numb)
Sensitivity to rejection, abandonment, or perceived shifts in others
It’s less about what happened in one moment—and more about what your system learned over time.
“Big T” vs “Little t” Trauma (And Why It’s Misleading)
You may have heard trauma described as “big T” vs “little t.”
“Big T” trauma: assault, war, major accidents
“Little t” trauma: chronic criticism, emotional neglect, feeling unseen or unsafe
This framework can be helpful—but it can also create a hierarchy that keeps people from recognizing their own experiences as valid.
Because the truth is:
Your nervous system doesn’t grade your experiences on a curve, and your brain often responds to chronic relational experiences in ways that can feel just as overwhelming as a single traumatic event.
Repeated emotional invalidation can shape the brain just as powerfully as a catastrophic event.
Growing up feeling unsafe, unseen, or unstable in your relationships can have lasting effects—even if nothing “obviously traumatic” happened.
You might find yourself thinking:
“But my childhood/that relationship/that experience wasn’t that bad.”
“Other people had it worse.”
And yet, your body tells a different story.
Trauma isn’t defined by the event.
It’s defined by how the experience gets encoded and stored in the nervous system and working memory, and the meanings that form around it—especially the negative beliefs we internalize about ourselves, others, and what’s safe.
This is also why EMDR therapy and other trauma-focused approaches are not just for extreme trauma—they’re effective for the full spectrum of unresolved experiences.
Common Causes of C-PTSD (Developmental/Childhood, Relational, and Chronic Adult Trauma)
C-PTSD often develops from repeated experiences over time—especially when safety, attunement, or protection were inconsistent or unavailable.
Some examples include:
Growing up with emotionally unavailable, inconsistent, or unpredictable caregivers
Chronic criticism, shaming, or feeling “not enough”
Being parentified or responsible for others’ emotions
Emotional neglect (having your feelings dismissed or ignored)
Living in a high-conflict, unstable, or tense household
Repeated relational trauma (ghosting, betrayal, abandonment patterns)
Repeated violations of physical or emotional safety (including ongoing sexual or physical abuse), especially over time or within close relationships
Bullying or social exclusion
Medical trauma or chronic health stress
Unrecognized neurodivergence (ADHD, Autism, sensory or learning differences) and being misunderstood, constantly corrected, or made to feel “wrong”
Environments where you had to mask or suppress your authentic self to feel safe
None of these require a single dramatic moment to leave a lasting imprint.
Is C-PTSD in the DSM? (And Why That’s Not the Point)
C-PTSD is recognized in the ICD-10, but not currently listed as a distinct diagnosis in the DSM-5.
While these distinctions matter for insurance and clinical systems, they don’t always reflect the lived reality of people’s experiences.
Many clients come into therapy having been labeled with a bowl of alphabet soup in diagnoses, but without a framework that explains why they feel the way they do.:
Anxiety disorders (GAD, panic disorder, social anxiety) often reflect chronic hypervigilance, nervous system activation, and threat anticipation rooted in relational or developmental trauma
Depressive disorders (MDD, persistent depressive disorder) can reflect shutdown, emotional numbing, hopelessness, and internalized shame that develop from prolonged unmet emotional needs
Personality disorders (especially Borderline Personality Disorder, but also others like Avoidant or Dependent traits) sometimes used to describe relational instability, emotional dysregulation, and attachment trauma responses that may actually be adaptive survival strategies
Dissociative disorders (or dissociative features not otherwise specified) can reflect compartmentalization, emotional detachment, depersonalization, or “checking out” in response to overwhelm
Bipolar spectrum misdiagnosis (in some cases) emotional intensity and dysregulation from trauma can sometimes be misread as mood cycling, especially when there’s limited trauma context explored
Somatic symptom disorders / medically unexplained symptoms, when chronic nervous system activation shows up in the body (pain, fatigue, GI issues) without a clear medical explanation
OCD or obsessive-compulsive features (in some presentations) can sometimes reflect attempts to regain control or certainty in environments that felt unsafe or unpredictable
Often, when we step back, a clearer picture emerges:
A nervous system shaped by chronic relational stress.
At Rooted Therapy, we focus less on labeling, and more on understanding your experiences in context.
Not “what’s wrong with you,”
but what happened, and how did your system adapt?
Childhood Trauma, Attachment Wounds, and Emotionally Immature Parents
While Complex PTSD is not always rooted in childhood developmental or relational trauma, one of the most common causes of C-PTSD is attachment trauma.
If you grew up with caregivers who were:
emotionally immature
inconsistent or unpredictable
overwhelmed themselves
unable to attune to your needs
You may have learned to:
people-please or over-function
suppress your needs
scan constantly for others’ moods
equate love with unpredictability
These patterns were adaptive.
They helped you stay connected and safe in your environment.
But over time, they can show up as:
difficulty trusting stability
feeling “too much” or “not enough” in relationships
Again, the question isn’t:
“What’s wrong with me?”
It’s: What did my system have to learn to survive?
How We Treat C-PTSD (Trauma-Informed Psychotherapy Approaches)
Healing from complex trauma isn’t about fixing you.
It’s about helping your system feel safe enough to update what it learned.
At Rooted Therapy, we use an integrative, trauma-informed approach, including:
EMDR Therapy (Eye Movement Desensitization and Reprocessing), including EMDR Intensives
Helps the brain reprocess unresolved experiences so they no longer carry the same emotional intensity.
Holistic, Attachment-Based & Relational Therapy
Uses the therapeutic relationship itself as a space for repair, consistency, and new relational patterns.
Integrative Parts Work
Supports you in gently understanding and relating to the different “parts” of yourself that developed to cope—like the part that people-pleases, the part that shuts down, or the part that feels overwhelmed.
Somatic Therapy
Works directly with the nervous system—supporting regulation, safety, and embodied awareness.
Expressive Arts Therapies
Writing, storytelling, movement, music, and creative expression as pathways to process what words alone can’t access.
This work is not about reliving everything.
It’s about integrating what hasn’t been processed at a pace your system can tolerate.
Do I Have C-PTSD? Signs You Might Recognize
You don’t need a “big” trauma story to benefit from this work.
You might recognize yourself here if you experience:
Repeating relationship patterns
Strong emotional reactions that feel hard to explain
Chronic shame or self-blame
Anxiety, hypervigilance, or emotional numbness
Fear of abandonment or sensitivity to rejection
These aren’t character flaws.
They’re adaptations.
And they can change.
Healing from Complex Trauma
Healing doesn’t happen by proving your pain was “bad enough.”
It happens by meeting your experience with the care it always needed with consistent, attuned, trauma-informed support.
Work With Us
If you’re beginning to recognize patterns of complex trauma or attachment wounds, you’re not alone—and you don’t have to figure it out on your own.
At Rooted Therapy, we specialize in:
C-PTSD and attachment trauma
EMDR and other somatic therapies
Relationship and relational pattern work
Get in touch to schedule a free consultation with Brooke or Kristina today!
