Trauma leaves a mark that isn't always visible. Long after a frightening or life-threatening event has passed, the nervous system can remain convinced the danger is still present — flinching at sounds, avoiding reminders, sleeping poorly, feeling permanently on edge.
What Is PTSD, Really?
The worldwide lifetime prevalence of PTSD ranges from around 3.9% in the general population to 5.6% among people specifically exposed to trauma, with U.S. estimates around 8.3%.[1] Importantly, in roughly 60% of people, traumatic symptoms resolve naturally over time — PTSD is diagnosed specifically when symptoms persist, intensify, or significantly disrupt daily life.
What PTSD Can Look Like
- Intrusive re-experiencing: Flashbacks, nightmares, or sudden vivid memories that feel like reliving the event, not just remembering it
- Avoidance: Steering clear of people, places, conversations, or situations that serve as reminders
- Negative changes in mood and thinking: Persistent guilt, shame, detachment from others, or a shifted, harsher view of oneself or the world
- Hyperarousal: An exaggerated startle response, irritability, difficulty sleeping, and a body that stays braced for danger
Patients frequently apologise to me for "still" being affected by something that happened years ago, as though there's an expiry date on trauma. In my experience, the nervous system doesn't work on a calendar — it responds to whether the traumatic memory has actually been processed, not to how much time has simply passed since the event.
What Actually Works? Evidence-Based Treatment
A meta-analysis comparing these two leading approaches found both to be highly effective at reducing PTSD symptoms and improving anxiety and depression that often accompany it, with only modest differences between them in most studies.[1]
- Trauma-Focused CBT (TF-CBT): Uses structured techniques including imaginal exposure and cognitive restructuring to help process the traumatic memory and correct unhelpful beliefs it left behind (like excessive self-blame).
- EMDR (Eye Movement Desensitisation and Reprocessing): Uses guided bilateral stimulation (commonly eye movements) while recalling aspects of the trauma, helping the brain reprocess the memory so it no longer triggers the same intensity of distress.
- Medication: SSRIs have evidence for PTSD, particularly when depression or anxiety are also present, though psychotherapy remains the primary recommended treatment.
One thing I make a point of explaining before starting trauma therapy is that we do not begin by asking someone to recount their worst memory in detail. Both TF-CBT and EMDR are built around careful pacing and stabilisation first — trauma processing that isn't done gradually can retraumatise rather than heal, which is exactly why it should be done with a trained clinician, not alone.
When Should You Seek Help?
Trauma responses that persist are not a sign of weakness or of "not moving on" — they are a recognised, treatable medical condition. Early treatment tends to produce better outcomes than waiting, though therapy can help regardless of how much time has passed since the event.
"Healing isn't linear — but it is possible. Always."
— Dr. Varun Gupta
Frequently Asked Questions
Does everyone who experiences trauma develop PTSD?
No. In about 60% of people, traumatic symptoms ease over time on their own without needing treatment. PTSD is diagnosed when symptoms persist beyond a month, remain severe, and significantly interfere with daily functioning.
What is the difference between EMDR and trauma-focused CBT?
Both are first-line, evidence-based treatments for PTSD with comparable effectiveness. Trauma-focused CBT uses structured cognitive and exposure-based techniques to process the trauma narrative, while EMDR uses guided eye movements alongside recalling traumatic memories; the right choice often comes down to patient preference and therapist expertise.
Can PTSD develop from something that didn't seem life-threatening to others?
Yes. PTSD depends on how an event was experienced and processed by that specific person, not on how observers might judge the severity of the event. Repeated smaller traumas and single severe incidents can both lead to PTSD.
References
- Chen R, et al. Cognitive Behavioral Therapy versus Eye Movement Desensitization and Reprocessing in Patients with Post-traumatic Stress Disorder: Systematic Review and Meta-analysis of Randomized Clinical Trials. PMC, National Library of Medicine. pmc.ncbi.nlm.nih.gov/articles/PMC6217870
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