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Trauma symptoms and types

There are different types of trauma and different trauma symptoms. In this article, we’ll explain the difference between one-off and ongoing or complex trauma. You’ll also find a list of symptoms associated with trauma. 
Simone Bosters
Latest medical review by:
Nine Gramberg 15 April 2025

What Are the Different Types of Trauma?

There are different types of trauma. These are distinct from one another because they each have different causes. The treatment that will be most suitable, partly depends on the type of trauma involved. We make a distinction between one-off, ongoing and complex trauma. 

One-off trauma

If you’re experiencing one-off trauma, your trauma will have a clearly identifiable trigger. In other words, there will be an isolated moment in your past that caused your psychological pain. For example, this could be an accident or the death of a loved one.  

Ongoing or complex trauma

Are you experiencing ongoing or complex trauma? This is trauma that has built up over time as a result of repeated traumatic experiences. This could be the result of persistent abuse or years of being bullied. Complex trauma causes different types of symptoms. You may end up suffering from an anxiety disorder or low self-esteem.Complex post-traumatic stress disorder (PTSD) occurs, for example, when you’ve been the victim of early childhood trauma. Early childhood trauma means that you experienced the trauma during your childhood. For example, this could be sexual abuse, mistreatment or neglect. If you’re a frontline worker (or have worked as one in the past), you may also be suffering from complex PTSD. 

When Do Symptoms First Occur After a Traumatic Event?

Just as the effects of trauma differ from person to person, it’s also true that for some people the psychological and physical symptoms of trauma show up immediately and for some they don’t. In some cases, you may suffer from feelings of anxiety and being uncomfortable in your own skin in the immediate aftermath of a distressing event. This means your symptoms have shown up straight away. There’s also the chance that this will pass after a while, once you’ve processed the event. But it could also be the case that you don’t initially notice any symptoms after the disturbing event. The symptoms may then show up later. In fact, it could take weeks or even months for you to develop a stress disorder in response to the trauma. In some cases, it can even take years for symptoms to appear.

Acute Stress Disorder or PTSD

Did you notice your symptoms immediately or a short time after the distressing event? And did they pass after a few weeks? This is what we call acute stress disorder. Did it take longer for you to develop symptoms? And have they subsequently lasted for a long period of time? This is what we’d call post-traumatic stress, or PTSD.  

What Are the Symptoms of Trauma?

The symptoms of acute stress disorder caused by trauma are pretty similar to those of post-traumatic stress. Trauma can cause different symptoms in different people.

Symptoms of Trauma (and PTSD)

  • Stress: A continual feeling of irritability and stress is a common symptom of trauma.
  • Symptoms of anxiety: You become anxious about fear itself. You’re afraid of a danger that’s no longer present.
  • Replaying: The distressing event may keep playing over and over again in your mind.
  • Nightmares: You may also find yourself reliving the event at night in the form of nightmares.
  • Avoidant behavior: You might avoid the place where the traumatic event took place, or certain people related to it – as well as objects, for example. You’ll do this out of fear of being reminded of the event or feeling anxious again.
  • Isolation: You may become isolated as a result of trauma.
  • Losing control: You’ll feel like you’ve lost control of your life.
  • Negative thoughts: You may experience feelings of depression and a lower mood.
  • Always feeling alert or on edge: You feel like you’re constantly on guard. You’re ready for action at all times. It’s a state of constant anxiety as you keep looking for danger that’s no longer present. There’s usually no rational reason for this level of agitation.
  • Being jumpy or quick to panic: You may experience exaggerated reactions when startled, and possibly panic attacks.
  • Poor concentration: Your ability to concentrate will deteriorate. 
  • Dizziness: For some people, trauma also manifests as dizziness.
  • Outbursts of rage: You may experience rage and anger, and find yourself behaving in ways that are really out of character for you.

 If these symptoms persist for a long time and the person has developed PTSD, then further symptoms may include:

  • Low self-esteem: You may have low self-confidence and a negative view of yourself as a result of trauma. You might find yourself feeling worthless. You feel like a failure or a bad person.
  • Problems functioning: You won’t function as well, and this will cause problems at work, in your family and with your relationships.
  • Emotional issues: You find it difficult to manage your emotions. You may find it hard to feel your emotions, as if you’ve become emotionally empty. You’ve lost control over your emotional responses.
  • Use of drugs or alcohol: Some people who have experienced trauma become overly dependent on drugs or alcohol. 
  • Self-harm or reckless behavior: Some people may resort to self-harm. Additionally, they may turn to reckless behavior, taking unnecessary risks.

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Help with Symptoms of Trauma

Do you identify with some of the symptoms of a person who has experienced trauma? There’s no need to carry on alone if you’re suffering from acute stress disorder or PTSD as a result of trauma. A psychologist can help you by offering expert advice and tailored treatment.

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Nine Gramberg
Nine is a Healthcare Psychologist at iPractice. She emphasises the importance of building a safe and trusting psychologist-client relationship, working with you to look at all the factors in order to see the bigger picture.
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13 February 2024
“During treatment, I learned to accept the sexual abuse. I can admit that it happened and I no longer blame myself”.
Lisanne, 23 and a student in Groningen, had a very unpleasant sexual experience several years ago. She was sexually abused. She struggled for a long time with her feelings of guilt and was scared to talk to others about what she had experienced. At one point she got stuck and decided to seek help. Via her general practitioner she came to iPractice Groningen.
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Sandra, 66, has been struggling with her mental health since she was 24. The combination of frequently moving to different countries, an unpleasant relationship with her mother and a family trauma caused her to develop a negative self-image. She felt insecure about how to behave, couldn’t take good care of herself and suffered from depressive symptoms. At iPractice, Sandra learned to feel her own needs and set her boundaries. Now she can live her life the way she wants to.
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Maria, 45, had been suffering from anxiety symptoms for 14 years. Several times a day she checked herself for illnesses. The great fear of becoming ill and dying from it affected her daily life. Via her general practitioner she came into therapy at iPractice Utrecht.
Maria

Related symptoms

Trauma
A trauma arises after a severe event. Memories keep intruding, and you suffer from anxious thoughts and flashbacks to the specific moment. Find more information about when you have a trauma, the possible causes, and what you can do if you have a trauma.
Trauma treatment and recovery
When you’ve had a traumatic experience, you want to feel like your old self again as soon as possible. You don’t want to be anxious or on the lookout for danger; you want to feel comfortable in your own skin. How can you process trauma or how do you treat trauma?

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