Understanding Complex Trauma and Complex PTSD (CPTSD)

What Is Complex Trauma?

Complex trauma refers to exposure to multiple traumatic events, often of an invasive, interpersonal nature, and the wide-ranging, long-term effects of this exposure. These events are typically chronic and begin in childhood or adolescence, occurring within the child’s caregiving system or social environment. Complex trauma can fundamentally alter a person’s sense of safety, identity, and ability to regulate emotions and navigate relationships.

Unlike single-incident trauma (such as a car accident or natural disaster), complex trauma involves repeated or prolonged exposure to traumatic situations such as:

  • Childhood abuse (physical, emotional, or sexual)
  • Neglect or abandonment
  • Domestic violence
  • Living in a war zone or area of political violence
  • Human trafficking or forced displacement
  • Prolonged medical trauma
  • Long-term harassment or bullying

The defining feature of complex trauma is that it typically occurs within relationships where the individual should feel safe and protected, creating profound impacts on development, attachment, and identity formation.

What Is Complex Trauma Complex PTSD Monima Wellness San Diego Monima Wellness Center - Women's Treatment Center for Mental Health

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How Complex PTSD Differs from PTSD

Complex Post-Traumatic Stress Disorder (Complex PTSD or C-PTSD) is a diagnostic term that describes the psychological impact of complex trauma. While sharing some similarities with PTSD, Complex PTSD includes additional symptoms that reflect the depth and developmental effects of prolonged trauma, particularly when it occurs during formative periods.

While both conditions stem from trauma exposure, there are significant differences:

PTSD

Complex PTSD

Often stems from a single traumatic event

Results from prolonged, repeated trauma

Core symptoms include re-experiencing, avoidance, and hyperarousal

Includes PTSD symptoms plus disturbances in self-organization

May develop at any age

Often has roots in childhood or adolescence

Focus on fear response to specific trauma

More pervasive impacts on identity and relationships

Complex PTSD was officially recognized in the ICD-11 (International Classification of Diseases) in 2018, though many clinicians had recognized this distinct pattern of symptoms for decades before its formal classification. Research indicates that chronic trauma is more strongly predictive of Complex PTSD than PTSD alone, with Complex PTSD associated with greater impairment in functioning.

Signs and Symptoms of Complex PTSD

Complex PTSD includes the core symptoms of PTSD along with additional disturbances that reflect the profound impact of prolonged trauma. Understanding these symptoms is crucial for proper diagnosis and treatment.

Core PTSD Symptoms

  1. Re-experiencing the traumatic events
    • Flashbacks and intrusive memories
    • Nightmares related to the trauma
    • Intense emotional or physical reactions to reminders
  2. Avoidance and numbing
    • Avoiding people, places, or activities that trigger memories
    • Emotional numbness or detachment
    • Loss of interest in previously enjoyed activities
  3. Hyperarousal
    • Heightened startle response
    • Hypervigilance (constant scanning for threats)
    • Difficulty sleeping or concentrating
    • Irritability or angry outbursts

Additional Complex PTSD Symptoms

Beyond these core PTSD symptoms, Complex PTSD also includes:

  1. Emotional Dysregulation
    • Difficulty managing emotional responses
    • Overwhelming feelings of sadness, anger, or despair
    • Emotional responses that seem disproportionate to situations
    • Chronic feelings of emptiness or hopelessness
  2. Negative Self-Concept
    • Persistent feelings of worthlessness and shame
    • Believing oneself to be permanently damaged or fundamentally flawed
    • Excessive self-blame for the traumatic events
  3. Relationship Disturbances
    • Difficulty trusting others or feeling close in relationships
    • Patterns of unhealthy relationships that mirror earlier trauma
    • Either avoiding relationships entirely or forming intense, unstable bonds
    • Difficulty setting appropriate boundaries
  4. Distorted Perceptions of the Perpetrator
    • Preoccupation with the relationship to the abuser
    • Attribution of total power to the abuser
    • Idealization or paradoxical gratitude toward abusers
  5. Loss of Meaning or Spiritual Alienation
    • Feeling disconnected from one’s faith or spiritual beliefs
    • Pervasive sense that life has no meaning or purpose
    • Feeling permanently damaged or altered by the trauma
  6. Altered Perception of Reality
    • Dissociative episodes (feeling detached from oneself or reality)
    • Loss of time or memory gaps related to traumatic periods
    • Depersonalization (feeling outside one’s body) or derealization (feeling the world isn’t real)

These comprehensive symptoms reflect how complex trauma impacts nearly every aspect of functioning, from neurobiological systems to identity and relationships.

How Complex Trauma Affects the Brain

Understanding the neurobiological impacts of complex trauma helps explain why its effects are so profound and why specialized treatment approaches are necessary.

1. Trauma Uniquely Impacts The Developing Brain

When trauma occurs during critical developmental periods, it can shape how the brain develops:

  • Stress Response Systems: Chronic activation of the body’s stress response can lead to long-term dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis, which controls reactions to stress. This may result in either heightened sensitivity to stress or emotional numbing.
  • Brain Structure and Function: Research has shown altered volume and activity in key brain regions involved in emotion processing and regulation, including the amygdala, hippocampus, and prefrontal cortex. Neuroimaging studies have found that individuals with complex trauma histories show reduced hippocampal volume, altered functioning in the anterior cingulate cortex, and changes in the activation patterns of the prefrontal cortex.
  • Nervous System Regulation: Complex trauma often leads to persistent dysregulation of the autonomic nervous system, with individuals fluctuating between hyperarousal (fight/flight) and hypoarousal (freeze/collapse) states.
  • Default Mode Network: The brain’s default mode network, responsible for self-referential thought and introspection, can show alterations in those with complex trauma histories.

Several neuroimaging studies have found that the brain changes associated with Complex PTSD appear to be more extensive than those observed in individuals with PTSD from single-event trauma, with more significant impacts on brain areas responsible for emotional regulation and cognitive functioning, correlating with the additional symptom clusters that define Complex PTSD.

2. Understanding The Window of Tolerance

A helpful framework for understanding trauma’s impact is the “window of tolerance” — the optimal zone of arousal where a person can function effectively. For those with complex trauma:

  • The window of tolerance is often narrower, making it easier to become either hyper- or hypo-aroused
  • Every day stressors can trigger movements outside this window
  • Learning to recognize these states and develop regulation skills is a key aspect of healing

Risk Factors and Vulnerability

While anyone can develop Complex PTSD after prolonged trauma exposure, certain factors may increase vulnerability:

1. Developmental Timing

  • Trauma during early developmental periods (0-6 years) when attachment and neurological systems are forming
  • Trauma during adolescence when identity formation is a primary task
  • Cumulative trauma across different developmental stages

2. Relationship to the Perpetrator

  • Trauma inflicted by caregivers or trusted figures typically has more profound impacts than trauma from strangers
  • Being dependent on the perpetrator for survival needs creates particular challenges for processing trauma
  • Conflicting messages of care and harm from the same person can create deeply conflicted attachment patterns

3. Lack of Support and Protective Factors

  • Absence of at least one stable, supportive relationship
  • Lack of community or social support
  • Limited access to safety or resources to escape traumatic situations
  • Pre-existing mental health conditions or neurobiological vulnerabilities

Understanding these factors helps determine who might need specialized support and intervention while highlighting the importance of protective factors in fostering resilience.

Complex PTSD vs. Borderline Personality Disorder (BPD)

There has been significant discussion in the clinical community about the relationship between Complex PTSD and Borderline Personality Disorder (BPD), as both conditions share several features and often have similar trauma histories.  Many individuals with Complex PTSD are misdiagnosed with BPD due to their overlapping symptoms. Understanding these similarities and differences can help clarify diagnosis and treatment paths.

Both conditions commonly involve:

Key Differences Between Complex PTSD and BPD

Feature

Complex PTSD

BPD

Self-concept

Consistently negative and stable

Unstable, fluctuating between idealization and devaluation

Attachment style

Primarily avoidant with consistent difficulty trusting

Unpredictable, alternating between clinging and pushing others away

Diagnostic requirements

Explicitly requires history of prolonged trauma

Trauma not required in diagnostic criteria (though often present)

Symptom stability

Symptoms relatively stable over time

Symptoms may fluctuate more dramatically

Are BPD & CPTSD Different Expressions of Similar Trauma?

Some researchers suggest that a subgroup of people diagnosed with BPD, particularly those with clear histories of complex trauma, might be better understood through the lens of Complex PTSD. This view proposes that these conditions may exist along a spectrum of trauma-related disorders rather than as entirely separate diagnoses.

For some individuals, what appears as BPD may be Complex PTSD, or their symptoms may reflect both conditions simultaneously. This overlap highlights the importance of trauma-informed assessment and treatment approaches that address the underlying trauma regardless of the diagnostic label.

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Phase-Based Treatment for Complex PTSD

Effective treatment for Complex PTSD typically involves a phased approach addressing safety, trauma processing, and integration. This typically includes:

  1. Stabilization and Safety
    • Establishing physical and emotional safety
    • Building coping skills for emotional regulation
    • Addressing immediate life challenges
    • Developing the therapeutic relationship
  2. Trauma Processing
    • Working through traumatic memories
    • Processing emotions and beliefs related to trauma
    • Reducing avoidance and trauma responses
  3. Integration and Reconnection
    • Integrating traumatic experiences into one’s life narrative
    • Developing a positive sense of self and identity
    • Improving relationships and connections with others
    • Building meaning and purpose beyond trauma

Effective Therapeutic Approaches for Complex PTSD

Several therapeutic modalities have shown effectiveness for Complex PTSD:

1. Eye Movement Desensitization and Reprocessing (EMDR)

EMDR has strong evidence for treating trauma by helping the brain process traumatic memories through bilateral stimulation. For complex trauma, EMDR protocols may be modified to include more extensive preparation and focus on strengthening resources before processing traumatic memories.

At Monima Wellness, EMDR therapy is offered as part of their comprehensive trauma treatment program, allowing clients to address the root causes of their symptoms in a safe, supportive environment.

2. Dialectical Behavior Therapy (DBT)

DBT combines cognitive-behavioral techniques with mindfulness and acceptance strategies. It’s particularly helpful for addressing the emotional dysregulation and relationship difficulties common in Complex PTSD. Skills taught include:

  • Mindfulness (present-moment awareness)
  • Distress tolerance (managing crises without making things worse)
  • Emotion regulation (understanding and managing emotions)
  • Interpersonal effectiveness (maintaining healthy relationships)

Monima’s DBT-trained clinicians offer Dialectical Behavior Therapy to help women develop practical skills for managing intense emotions and navigating relationship challenges with greater confidence.

3. Cognitive Processing Therapy (CPT)

CPT helps individuals identify and challenge unhelpful thoughts and beliefs related to their trauma. For Complex PTSD, CPT can address deeply held negative beliefs about oneself, others, and the world that developed in response to chronic trauma.

4. Sensorimotor Psychotherapy and Somatic Approaches

These body-centered approaches recognize that trauma is stored in the body as well as the mind. They help individuals:

  • Recognize how trauma is held in physical sensations and tension patterns
  • Develop awareness of body states related to trauma activation
  • Use physical interventions to regulate arousal and process trauma

Monima Wellness incorporates several body-based healing modalities, including trauma-informed yoga, breathwork, and acupuncture, which can be particularly effective for addressing the physical manifestations of trauma stored in the body.

5. Internal Family Systems (IFS)

IFS views the mind as naturally consisting of sub-personalities or “parts,” and works to heal these parts that may carry trauma. This approach can be particularly helpful for complex trauma, as it:

  • Helps individuals relate to trauma symptoms with compassion rather than shame
  • Addresses the fragmented sense of self common in complex trauma
  • Builds internal resources and self-leadership

6. Medication Considerations

While medications can’t cure Complex PTSD, they may help manage specific symptoms:

  • Antidepressants may help with depression, anxiety, and some intrusive symptoms
  • Mood stabilizers can help with emotional dysregulation
  • Sleep medications may temporarily assist with sleep disturbances
  • Anti-anxiety medications can be used cautiously for severe anxiety, though long-term use of benzodiazepines is generally avoided in trauma treatment

Medication is most effective when used as part of a comprehensive treatment plan. At Monima, psychiatric medication management is provided by specialists who understand the unique needs of women with trauma backgrounds.

Special Considerations for Different Populations

Complex trauma may present differently and require specific approaches for different groups:

Complex Trauma in Women

Women face unique challenges related to complex trauma:

  • Higher rates of sexual trauma and intimate partner violence
  • Intersection with societal gender expectations and power dynamics
  • Reproductive and sexual health implications
  • Potential impacts on parenting and intergenerational patterns

Monima Wellness Center specializes in women’s mental health, recognizing these unique factors. Their women-centered approach provides a safe space to address gender-specific aspects of trauma without judgment or pressure to conform to societal expectations.

Cultural Considerations

Cultural factors influence how trauma is experienced, expressed, and healed:

  • Cultural definitions of trauma may vary
  • Cultural values around disclosure, help-seeking, and healing
  • Historical and collective traumas that compound individual experiences
  • Traditional healing practices that may complement clinical approaches

Culturally responsive trauma treatment acknowledges these factors and adapts approaches accordingly rather than imposing a one-size-fits-all model.

Complex Trauma and Co-occurring Conditions

Complex trauma often co-occurs with other conditions:

  • Substance use disorders may develop as attempts to manage overwhelming emotions
  • Eating disorders can represent efforts to control the body or cope with embodied trauma
  • Autoimmune conditions and chronic pain may have biological connections to chronic stress
  • Other mental health conditions like depression, anxiety disorders, or personality disorders

Effective treatment addresses these interconnected issues. Monima’s integrated approach recognizes these connections, offering comprehensive treatment for co-occurring disorders that addresses both trauma and other conditions simultaneously.

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Supporting Someone with Complex PTSD

If someone you care about is living with Complex PTSD, your support can make a significant difference in their healing journey:

Helpful Approaches

  • Listen without judgment when they choose to share
  • Respect their boundaries and need for control
  • Learn about trauma responses so you can understand their reactions
  • Encourage their treatment but respect their pace
  • Take care of your own wellbeing through self-care and support

Approaches to Avoid

  • Pressuring them to talk about their trauma
  • Taking their trauma reactions personally
  • Trying to “fix” them or rushing their healing process
  • Making comparisons to other people’s trauma
  • Offering unsolicited advice

When to Encourage Professional Help

Encourage seeking professional support if you notice:

  • Symptoms interfering significantly with daily functioning
  • Increasing isolation or withdrawal
  • Escalating substance use or self-destructive behaviors
  • Expressions of hopelessness or suicidal thoughts
  • Trauma responses that are becoming more intense over time

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Contact us today at 858-500-1542 to begin crafting your path to recovery.

Recovery Is Possible: The Monima Wellness Approach to Complex Trauma

At Monima Wellness Center in San Diego, a specialized approach to treating complex trauma in women combines evidence-based treatments with holistic healing modalities in a trauma-informed, gender-specific environment.

1. Comprehensive, Women-Centered Care

Monima offers multiple levels of care specifically designed for women with trauma histories:

  • Partial Hospitalization Program (PHP): An intensive treatment option providing over 30 hours of therapeutic engagement per week for women requiring comprehensive daily support
  • Intensive Outpatient Program (IOP): A flexible option offering 9-15 hours of weekly treatment that can be tailored around other responsibilities
  • Individual therapy and specialized services: For those needing focused support in specific areas

Each woman’s journey begins with thorough neuropsychological testing to ensure accurate diagnosis and personalized treatment planning.

2. Integrated Mind-Body-Spirit Approach

Recognizing that trauma affects the whole person, Monima’s approach addresses:

  • Psychological healing through evidence-based therapies like CBT, DBT, and EMDR
  • Physical wellness through trauma-informed yoga, acupuncture, and breathwork
  • Spiritual dimensions through mindfulness practices and meaning-making approaches
  • Social connection through group therapy and community building

This comprehensive approach acknowledges that healing from complex trauma involves more than just addressing symptoms—it means rebuilding a sense of safety, reclaiming personal identity, and restoring the capacity for healthy connection.

3. Creating Safety for Transformative Healing

For women with complex trauma histories, feeling safe is the essential foundation for healing. Monima creates this safety through:

  • Gender-specific treatment: A women-only environment where unique trauma experiences can be addressed without added vulnerability
  • Trauma-informed care: Every aspect of treatment is designed with an understanding of trauma’s impacts
  • Optional supportive housing: Partnership with Ohana Recovery Residences provides safe, community-based living during treatment
  • Expert female clinicians: Staff specially trained in women’s trauma recovery
Monima has partnered with Ohana Recovery Residences to provide optional safe housing for women enrolled in Monima Wellness outpatient programs. Women who stay at Ohana experience an immersive, supportive recovery environment with a like-minded female community.

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Begin Your Healing Journey

If you or someone you love is struggling with the effects of complex trauma, reaching out for support is an act of courage. Healing is possible, and you don’t have to walk the path alone.

Ready to Start Your Journey?

Contact us today at 858-500-1542 to begin crafting your path to recovery.

  1. Maercker, A., Cloitre, M., Bachem, R., Schlumpf, Y. R., Khoury, B., Hitchcock, C., & Bohus, M. (2022). Complex post-traumatic stress disorder. Lancet (London, England), 400(10345), 60–72. https://doi.org/10.1016/S0140-6736(22)00821-2
  2. Giourou, E., Skokou, M., Andrew, S. P., Alexopoulou, K., Gourzis, P., & Jelastopulu, E. (2018). Complex posttraumatic stress disorder: The need to consolidate a distinct clinical syndrome or to reevaluate features of psychiatric disorders following interpersonal trauma?. World journal of psychiatry, 8(1), 12–19. https://doi.org/10.5498/wjp.v8.i1.12
  3. Cloitre, M. (2021). Complex PTSD: assessment and treatment. European Journal of Psychotraumatology, 12(sup1). https://doi.org/10.1080/20008198.2020.1866423
  4. Maercker, A. Development of the new CPTSD diagnosis for ICD-11. bord personal disord emot dysregul 8, 7 (2021). https://doi.org/10.1186/s40479-021-00148-8