Trauma and PTSD: how the body holds it, and what helps
Trauma is the mark a frightening or overwhelming event leaves on the mind and body, and post-traumatic stress disorder (PTSD) is what we call it when that mark does not fade and starts to interfere with daily life. It usually shows up as four kinds of change: feeling constantly on edge, reliving the event through unwanted memories, avoiding reminders, and a flatter or more negative mood.1 This is a normal response to abnormal events, not a sign of weakness, and it is treatable. UK guidance points clearly to two psychological therapies that work: trauma-focused cognitive behavioural therapy and EMDR.2
Key facts
- Most people meet something traumatic at some point: roughly seven in ten people worldwide experience a potentially traumatic event in their lifetime, yet only a minority go on to develop PTSD.3
- In England's 2014 survey, about one in twenty adults screened positive for PTSD, and around a third of all adults reported a major trauma at some point in life.4
- Distress in the first weeks after a trauma is expected and often settles by itself; PTSD is diagnosed when the pattern persists, usually beyond a month, and disrupts life.13
- Trauma-focused CBT and EMDR are the NICE-recommended treatments, typically delivered over 8 to 12 sessions.2
- You can usually self-refer to NHS Talking Therapies in England without seeing your GP first.1
What trauma and PTSD actually are
A traumatic event is one that feels deeply threatening or horrifying: a serious accident, an assault, abuse, frightening experiences around childbirth or serious illness, or exposure to violence or disaster.2 In the days and weeks afterwards it is normal to feel shaken, jumpy, numb or tearful, to sleep badly, and to find the event replaying in your mind. For most people these reactions ease as the nervous system gradually settles.3
PTSD is what we call it when those reactions take hold and do not loosen their grip: the mind and body stay braced as if the danger were still present. The NHS groups the symptoms into four familiar clusters.12
- Hyperarousal. Feeling permanently on alert: easily startled, irritable, tense, struggling to sleep or concentrate. The body's alarm system is stuck on.
- Intrusions (re-experiencing). Unwanted memories, vivid flashbacks or nightmares that arrive without warning, as if part of the event is happening again now.
- Avoidance. Steering clear of people, places, conversations or feelings that bring the event back, because they are so distressing.
- Negative changes in mood and thinking. Low mood, emotional numbness, losing interest in things, feeling cut off from others, or harsh beliefs about oneself or the world.
None of this is a character flaw. It is the predictable workings of a brain and body that learned, very fast, that the world could be dangerous, and have not yet had the chance to unlearn it. Our wider health library looks at how chronic stress keeps the body's alarm circuits switched on.
Normal stress reaction or PTSD that needs help?
Time is the clearest signal. A strong stress reaction in the first weeks is part of how humans process frightening events, and for many people it fades on its own.3 What matters is the direction of travel: are things slowly easing, or staying stuck and getting in the way of work, relationships and daily life?
| Feature | A normal stress reaction | PTSD that warrants assessment |
|---|---|---|
| Timing | Strongest in the first days and weeks | Persists, typically beyond a month, or starts later |
| Direction | Gradually easing over time | Stuck, or getting worse rather than better |
| Daily life | Coping, even if shaken | Work, sleep or relationships significantly affected |
| Intrusions | Memories fade and feel like the past | Flashbacks or nightmares feel like the present |
| What helps | Support, rest, time, talking | A clinical assessment and evidence-based therapy |
There is no need to wait until things reach a crisis. If symptoms are still present and disruptive after about four weeks, or sooner if they are severe, that is a sensible point to speak to your GP.1 Notably, NICE advises against single-session psychological debriefing right after a trauma, because it does not prevent PTSD: early support is about practical care and gentle monitoring, not forced reliving of the event.2
Complex PTSD, in brief
Some people develop a related pattern called complex PTSD, which tends to follow trauma that was prolonged or repeated and from which escape felt difficult.2 Recognised as a diagnosis in the World Health Organization's ICD-11 classification, it adds three further areas of difficulty to the core PTSD symptoms: trouble managing strong emotions, a persistently negative or shame-filled view of oneself, and ongoing difficulty feeling close to other people.25
If this description fits your experience, please know that complex PTSD is recognised, understood and treatable. It often simply means therapy takes a little longer and starts more gently, with extra time spent building trust and a sense of safety before working with memories.2 You are not beyond help.
Why it is a normal response, not weakness
It can be tempting to read PTSD as a personal failing, a sense of "other people coped, so why can't I?" That framing is both untrue and unkind. PTSD is the nervous system doing exactly what it evolved to do, sounding the alarm in the face of danger and then struggling to switch it off afterwards. It is a normal human response to abnormal events.1
Whether someone develops PTSD depends on many things outside their control: the nature of the event, how much support was available, what else was happening in their life, and plain chance.3 It is not a measure of strength or worth. Shame and self-blame are themselves common symptoms, not accurate verdicts, and they tend to ease as treatment progresses. If self-critical thinking is part of the picture, our piece on the inner critic and self-compassion may be a kind companion read.
What helps: the NICE-recommended treatments
The genuinely hopeful part is that effective, well-tested treatments exist. Drawing on a large evidence base, NICE recommends two psychological therapies as first-line treatment for adults with PTSD.2 A Cochrane review of trials in adults with chronic PTSD found good support for both, with trauma-focused therapies generally outperforming non-trauma-focused ones.6
Trauma-focused CBT
Trauma-focused cognitive behavioural therapy is a structured talking therapy delivered by a trained practitioner, typically over 8 to 12 sessions, and it works gradually at your pace.2 It involves understanding how trauma affects the mind and body, learning to manage flashbacks and arousal, gently making sense of the memory so it feels like the past rather than the present, easing the grip of avoidance, and rebuilding everyday life and relationships.2 A good therapist moves carefully and keeps you feeling safe throughout.
EMDR (eye movement desensitisation and reprocessing)
EMDR is also recommended for adults, again typically over 8 to 12 sessions, and delivered in phases that begin with grounding and stabilisation.2 It then uses side-to-side stimulation, usually guided eye movements, while you briefly hold a distressing memory in mind, which appears to help the brain reprocess it so it loses its charge.12 You stay in control, and the work is paced to what feels manageable.
Both therapies have a solid evidence base and are roughly comparable in benefit, which is why NICE recommends offering a choice.26 If trauma-focused work does not feel possible straight away, some people are offered antidepressant medication such as sertraline, or therapy targeted at specific symptoms like sleep. Medication is a conversation to have with your GP, and our stack builder can help you keep any plan organised and evidence-led.
- Do my symptoms fit PTSD, and is it worth a fuller assessment?
- Can I self-refer to NHS Talking Therapies, or will you refer me, and what is the local wait?
- Is trauma-focused CBT or EMDR available locally, and how do I choose between them?
- If something feels urgent before therapy starts, where can I turn in the meantime?
- Would medication such as sertraline be a reasonable option for me, and what are the pros and cons?
If you are struggling to cope, support is available right now and you deserve it. Speak to your GP, or call NHS 111 and choose the mental health option for urgent help, day or night. If you ever feel unable to keep yourself safe, or someone is in immediate danger, call 999 or go to A&E. The Samaritans are free to call on 116 123, any time, if you simply need to talk. PTSD is common, it is treatable, and recovery is genuinely possible. This article is general information, not medical advice.
References
- NHS, 2022. Post-traumatic stress disorder (PTSD): overview, symptoms, complex PTSD and treatment. nhs.uk. link
- National Institute for Health and Care Excellence, 2018. Post-traumatic stress disorder (NG116): recommendations and terms used in this guideline. nice.org.uk. link
- Koenen KC, Ratanatharathorn A, Ng L, et al., 2017. Posttraumatic stress disorder in the World Mental Health Surveys. Psychological Medicine, 47(13):2260-2274. link
- McManus S, Bebbington P, Jenkins R, Brugha T (eds), 2016. Mental health and wellbeing in England: Adult Psychiatric Morbidity Survey 2014 (chapter on post-traumatic stress disorder). NHS Digital. link
- World Health Organization, 2019. ICD-11 for Mortality and Morbidity Statistics: 6B41 Complex post-traumatic stress disorder. who.int. link
- Bisson JI, Roberts NP, Andrew M, Cooper R, Lewis C, 2013. Psychological therapies for chronic post-traumatic stress disorder (PTSD) in adults. Cochrane Database of Systematic Reviews, (12):CD003388. link
This article is educational and does not constitute medical advice, diagnosis, or a treatment recommendation. Medication uses described as “off-label” are not licensed for that purpose in the UK and should only be considered under qualified clinical supervision. Always speak to your GP, pharmacist, or a registered specialist before starting, stopping, or changing any treatment. If you have severe or alarm symptoms - unintentional weight loss, blood in your stool, difficulty swallowing, persistent vomiting, a fever, or severe pain - seek urgent medical care.