PTSD vs Complex PTSD: Key Differences & Similarities

Key Differences

Fear of abandonment
PTSD: Associated
Complex PTSD: Core
Explanation: In Complex PTSD, fear of being left or rejected is more likely to feel central and intense, while in PTSD it may occur but is less defining.
Unstable or Unclear Sense of Self
PTSD: Common
Complex PTSD: Core
Explanation: Complex PTSD is more likely to involve a persistent, painful uncertainty about identity or who you are, beyond the self-doubt that can also appear in PTSD.
Chronic emptiness
PTSD: Common
Complex PTSD: Core
Explanation: A long-lasting sense of inner emptiness is more central and severe in Complex PTSD, while in PTSD it may be present but is less defining.
Difficulty maintaining close relationships
PTSD: Common
Complex PTSD: Core
Explanation: Complex PTSD more often shows up as ongoing difficulty sustaining close relationships, while PTSD may affect relationships without this being as central.
Emotional flashbacks
PTSD: Common
Complex PTSD: Core
Explanation: In Complex PTSD, sudden intense emotional states linked to past trauma are more central and severe, even when there is no clear visual memory.

Key Similarities

Symptom How it is similar
Flashbacks Both PTSD and Complex PTSD can involve episodes where traumatic experiences feel vividly present again.
Avoiding reminders of the trauma Both can lead someone to avoid places, people, conversations, or situations that bring the trauma back to mind.
Feeling constantly on guard Both can involve a persistent sense of threat, making it hard to fully relax or feel safe.
Nightmares Both can involve severe, recurring nightmares connected to trauma or feelings of danger.
Difficulty trusting others Both can make trust feel difficult, especially when relationships or safety have been affected by trauma.

Most often taken Self-Assessments

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