Complex post-traumatic stress disorder (Complex PTSD, sometimes written as C-PTSD) is a condition that can develop after exposure to prolonged, repeated traumatic events, particularly those involving interpersonal harm such as childhood abuse, domestic violence, torture, trafficking, or living in a war zone. While it shares features with PTSD, Complex PTSD includes additional symptom clusters that reflect the deeper impact of sustained trauma on a person's emotional world, identity, and ability to relate to others.

Re-experiencing the trauma. People with Complex PTSD often have vivid flashbacks, nightmares, or intrusive memories of what happened to them. These episodes can be triggered by sights, sounds, smells, or situations that echo the original trauma. During a flashback, a person may feel as though the traumatic event is happening again in the present moment.

Avoidance and hyperarousal. Efforts to avoid reminders of the trauma are common. This can include staying away from certain people or places, suppressing thoughts about what happened, or emotionally shutting down. At the same time, the nervous system may remain in a state of high alert, leading to difficulty sleeping, irritability, an exaggerated startle response, and trouble concentrating.

Emotional dysregulation. One of the hallmark features that distinguishes Complex PTSD from standard PTSD is a persistent difficulty managing emotions. This may appear as explosive anger, prolonged periods of sadness, chronic emotional numbness, or rapid shifts between these states. Some people describe feeling as though their emotions are completely out of their control.

Negative self-concept. People with Complex PTSD frequently carry a pervasive sense of shame, guilt, or worthlessness. They may believe they are fundamentally broken or that the trauma was their fault. This distorted self-view often develops during childhood when the person lacked the cognitive tools to make sense of what was happening to them.

Disturbances in relationships. Difficulty trusting others, fear of abandonment, a pattern of unstable or abusive relationships, and chronic feelings of isolation are common. Some individuals may alternate between desperately seeking closeness and pushing people away.

Dissociation. Episodes of feeling detached from one's body, emotions, or surroundings can occur. Some people describe feeling as if they are watching themselves from a distance or as though the world around them is not real. Gaps in memory related to traumatic events are also common.

Complex PTSD is recognized as a distinct diagnosis in the ICD-11 (International Classification of Diseases, 11th Revision), published by the World Health Organization. The ICD-11 defines it as requiring the core features of PTSD (re-experiencing, avoidance, and a sense of current threat) along with disturbances in self-organization: affect dysregulation, negative self-concept, and relationship difficulties. The DSM-5 does not list Complex PTSD as a separate diagnosis but acknowledges many of its features through the PTSD dissociative subtype and the associated features section of the PTSD criteria.

Assessment. A thorough clinical interview conducted by a licensed mental health professional is the foundation of diagnosis. The clinician will ask about your history of traumatic experiences, the duration and nature of those events, and how they are affecting you now. Standardized questionnaires such as the International Trauma Questionnaire (ITQ) may be used to support the assessment. Because the symptoms of Complex PTSD can overlap with those of borderline personality disorder, major depression, and other conditions, careful differential diagnosis is important.

Trauma-focused psychotherapy is the primary treatment approach. Several evidence-based therapies have shown strong results:

• EMDR (Eye Movement Desensitization and Reprocessing) helps the brain reprocess traumatic memories so they become less distressing over time.
• Trauma-focused CBT (Cognitive Behavioral Therapy) addresses distorted beliefs that developed as a result of trauma and teaches practical coping skills.
• Phase-based treatment models are often recommended for Complex PTSD specifically. These typically begin with stabilization and safety, move to processing traumatic memories, and conclude with reconnection and integration into daily life.
• Somatic therapies such as Sensorimotor Psychotherapy focus on the body's stored responses to trauma.

Treatment may take longer than for standard PTSD because of the additional layers of disruption to identity, emotions, and relationships. Progress is not always linear, and setbacks do not mean failure. Many people with Complex PTSD experience significant improvement with consistent, skilled therapeutic support.

Self-care strategies can complement professional treatment. Grounding exercises, regular physical activity, creative expression, journaling, and building a reliable support network can all help. Reducing exposure to news or media that triggers distress is also practical and often underappreciated.

If you recognize yourself in the symptoms described above, or if your results on this screening suggest moderate or high risk, reaching out to a qualified mental health professional is a reasonable and important next step. You do not need to wait until symptoms become unbearable. Early intervention can prevent worsening and help you start building a more stable foundation.

Seek help promptly if:

• Flashbacks, nightmares, or intrusive memories are frequent and distressing.
• You find it very difficult to manage your emotions and this is affecting your work, relationships, or daily functioning.
• You feel persistent shame, worthlessness, or a belief that you are permanently damaged.
• You are isolating yourself from others or struggling to maintain any close relationships.
• You are using alcohol, substances, or self-harm to cope with emotional pain.
• You are having thoughts of suicide or self-harm. If this is the case, contact a crisis service immediately. In the United States, call or text 988 to reach the Suicide and Crisis Lifeline.

A therapist experienced in trauma work can provide a safe space to begin understanding and processing what happened to you. You may want to ask potential therapists about their training in trauma-focused approaches and their experience working with survivors of prolonged trauma.

For more information about Complex PTSD and related conditions, the following resources may be helpful:

• American Psychological Association: PTSD
• NHS: Complex PTSD
• National Institute of Mental Health: PTSD

This test is not a diagnostic tool. It is intended for educational purposes and to support your decision about whether to seek professional evaluation. Only a licensed clinician can diagnose Complex PTSD.