Tue. May 17th, 2022

How a Diagnosis of Complex PTSD Differs From PTSD

A phase-based therapy approach may be ideal for treating this disorder

Some mental health professionals make the distinction between the diagnosis of post-traumatic stress disorder (PTSD) and complex PTSD, also known as C-PTSD.

Complex PTSD vs. PTSD

The symptoms of PTSD apply well to people who have experienced a discrete or short-lived traumatic event, like a motor vehicle accidentnatural disaster, or rape. But, they do not always apply well to people who have experienced chronic, repeated, or long-lasting traumatic events, such as childhood sexual and/or physical abuse, domestic violence, or captivity (for example, being in a prisoner of war camp or a concentration camp). In these instances, the symptoms of PTSD do not really seem to completely describe the psychological harm, emotional problems, and changes in how people view themselves and the world following chronic traumatic exposure.

Therefore, some mental health professionals believe that we should distinguish between the type of PTSD that develops from chronic, long-lasting traumatic events, and the type of PTSD that results from short-lived events.

With that, the diagnosis of “complex PTSD” refers to the set of symptoms that commonly follow exposure to a chronic traumatic event.

Events Connected to C-PTSD

The traumatic events connected to complex PTSD are long-lasting and generally involve some form of physical or emotional captivity, such as childhood sexual and/or physical abuse or domestic violence.

In these types of events, a victim is under the control of another person and does not have the ability to easily escape.


The following symptoms stem from exposure to a chronic traumatic event where a person felt captive:

  • Emotion Regulation Problems
    • People with complex PTSD experience difficulties managing their emotions. They may experience severe depression, thoughts of suicide, or have difficulties controlling their anger.
  • Changes in Consciousness
    • Following exposure to a chronic traumatic event, a person may repress memories of the traumatic event, experience flashbacks, or experience dissociation.
  • Changes in How a Person Views Themselves
    • Symptoms in this category include feelings of helplessness, shame, guilt, or feeling detached and different from others.
  • Changes in How the Victim Views the Perpetrator
    • A person with complex PTSD may feel like he has no power over a perpetrator (the perpetrator has complete power in a relationship). In complex PTSD, people might also become preoccupied with their relationship with a perpetrator (for example, constant thoughts of wanting revenge).
  • Changes in Personal Relationships
    • These symptoms include problems with relationships, such as isolating oneself or being distrusting of others. Note that this is unique from borderline personality disorder (BPD), in that a person with complex PTSD often alienates themselves, as opposed to people with BPD who engage in unstable relationships that can be dramatic and volatile.
  • Changes in How One Views the World
    • People exposed to chronic or repeated traumatic events may also lose faith in humanity or have a sense of hopelessness about the future.

Finding Help for Complex PTSD

Treatments for PTSD and other disorders (for example, dialectical behavior therapy for borderline personality disorder) may also be helpful for a person with complex PTSD.

That being said, as experts continue to study complex PTSD, there is scientific research that supports a unique phase-based treatment approach. This treatment approach entails three phases:

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