PTSD vs Anxiety: what is the difference?
I am often asked about PTSD vs anxiety, and how to tell the difference between the two. This confusion commonly stems from the fact that the restlessness (hypervigilance) typically associated with PTSD can be mistaken for the difficulty relaxing and persistent rumination that characterise anxiety.
This article highlights some key features that can help you tell the two apart. That said, you should always consult a qualified healthcare professional if you have any concerns about your mental health. This article is intended for psychoeducational purposes only and is not intended to help you self-diagnose.
One key factor that helps differentiate the two is to consider where the distress is coming from in time.
Anxiety is largely future-oriented. A person might, for example, feel afraid of losing their job. This helps explain why anxiety is often associated with “what if” thoughts, which tend to bring feelings of tension and worry. The mind attempts to anticipate and prevent potential problems, even when those problems are not immediately present.
Post-Traumatic Stress Disorder is rooted in the past. It is a response to something that has already happened. The nervous system continues to react as though the danger is still present in the here and now, even when it is no longer the case. As a result, the person may feel as though they are reliving the experience through flashbacks, intrusive memories, or strong emotional and physical reactions to reminders.
In simple terms:
- Anxiety is about what could happen
- PTSD is about re-experiencing what has already happened
Now that we have explored the main distinction in PTSD vs anxiety, we can look at further key differences in how they present.
Anxiety often looks like:
- Ongoing worry about a range of everyday situations
- Finding it difficult to switch off and feeling restless
- Experiencing body-based symptoms (e.g. muscle tension, fatigue, gastrointestinal discomfort, shortness of breath, chest tightness)
- Difficulty sleeping due to overthinking
- Thoughts that feel distressing, but are still experienced as part of your own thinking
An important feature of anxiety is that the worry often generalises across different areas of life. It is not necessarily tied to one specific event, but instead reflects a broader sense of unease or anticipation.
PTSD may look like:
- Nightmares related to a specific event
- Avoidance of reminders (places, people, or even conversations)
- Intrusive memories of the event
- Hypervigilance (feeling constantly unsafe or on alert)
- Feeling emotionally numb, or alternating between numbness and overwhelm
- Negative changes in mood and thinking (e.g. guilt, shame, feeling detached from others, persistent fear, low mood, a sense that the world is unsafe, or difficulty trusting others)
A key difference here is that PTSD symptoms are closely linked to a particular experience. Rather than anticipating future threats, the nervous system is repeatedly pulled back into a past one. These reactions can feel intrusive and outside of one’s control, which can be confusing and distressing.
PTSD vs Anxiety: How EMDR Can Help
One of the evidence-based approaches used to support people experiencing PTSD is Eye Movement Desensitization and Reprocessing.
EMDR is a structured therapy that helps the brain process and integrate distressing memories that may feel “stuck.” When a traumatic experience has not been fully processed, it can remain stored in a way that continues to trigger strong emotional and physical reactions. This is why reminders in the present can feel as though the event is happening all over again.
During EMDR therapy, the person is guided to recall aspects of the traumatic memory while engaging in bilateral stimulation (such as guided eye movements). This process helps the brain reprocess the memory so that it becomes less emotionally intense and more integrated.
Over time, many people find that:
- Memories become less vivid and distressing
- Triggers have a reduced impact
- There is a greater sense of safety in the present
EMDR does not erase memories, but it can change how they are experienced, allowing the nervous system to recognise that the danger has passed.
When to seek help
If you are unsure whether you are experiencing PTSD vs anxiety, seeking professional support can help you better understand your symptoms and feel more in control.
About the Author
Dr. Pauline Chiarizia is a Counselling Psychologist based in London specialising in trauma, attachment difficulties, and EMDR therapy. She offers online therapy and EMDR for individuals affected by anxiety, depression, PTSD, relational difficulties, and the lasting effects of difficult or overwhelming experiences.
She works with people who feel emotionally exhausted, persistently self-critical, or stuck in patterns that feel hard to change. Many of her clients carry the subtle but powerful impact of earlier relational experiences, even when there has been no single identifiable trauma.
Her approach is trauma-informed and evidence-based. Therapy focuses not only on reducing symptoms, but on building internal stability, resilience, and a stronger sense of self-trust.
Dr. Chiarizia works with clients across the UK and internationally via online therapy.