What is PTSD?

What is Post Traumatic Stress Disorder?

Post-Traumatic Stress Disorder (PTSD) is a condition that some people develop after experiencing or witnessing a traumatic life-threatening event or serious injury. 

Use the links below to find out more details on what PTSD is, the science of how it affects your brain and body, what types of trauma can cause the condition, and what the symptoms are.

PTSD Explained

The history and current understanding of the condition.

What causes PTSD?

Anyone exposed to trauma can develop Post Traumatic Stress Disorder - find out more about some of the typical traumas that can result in PTSD.

Symptoms of PTSD

PTSD can cause a wide variety of physical, mental and emotional symptoms - find out more about these to understand the condition better.

Flashbacks & Triggers

PTSD sufferers can have many ‘triggers’ – sounds, smells, tastes, things you see, and the emotions you feel can all bring back the trauma, presented as real life – a flashback. Find out more about how to identify your triggers and ease flashbacks here.

The science of PTSD

Neuroanatomical studies have identified changes in major brain structures of those with PTSD showing that there are significant physical changes within the brain as a result of trauma - find out more about the science behind PTSD here.

NICE Guidelines

The National Institute for Health and Clinical Excellence (NICE) produce guidelines for medical professionals to use which covers recognising, assessing and treating PTSD. Find out more about the current recommendations for care here.


PTSD and C-PTSD have very similar symptoms, however with C-PTSD, generally the trauma is caused as a result of repeated or sustained trauma rather than a one-off incident. Find out more about C-PTSD here.