What Is Post Traumatic Stress Disorder? DSM 5 Criteria, Symptoms And Treatment

By Nadia Khan

Updated February 14, 2020

Reviewer Lauren Guilbeault

Content/Trigger Warning: Please be advised, the below article might mention trauma-related topics that include sexual assault & violence which could potentially be triggering.

Definition of Post Traumatic Stress Disorder

Going through ups and downs is a normal part of an individual's life. Unfortunately, some people experience downs which are traumatizing like sexual assault, fighting in a war or watching someone die in front of their very eyes, they may never get over it.

When someone goes through something this severe, they normally go through a period of uneasiness or anxiety. It's not uncommon to be sad or have a hard time getting through the day or feel preoccupied with what occurred; some people even make big life changes as a result of the trauma.

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As a general rule, these feelings eventually fade, and the individual goes back to living life normally again. However, not everyone can or is capable of moving on or getting over the shock of what happened to them. Their preoccupation may almost become obsessive; they may experience intense depression and have physical reactions when remembering what happened. When these types of reactions happen and linger on, chances are the person has developed Post Traumatic Stress Disorder (PTSD). It's a serious mental condition, which, when left untreated, can spiral out of control and have dire consequences.

It can be easy to confuse or difficult to differentiate between Acute Stress Disorder vs. PTSD. When someone is suffering from ASD, they experience a host of serious symptoms for a few weeks, and then the symptoms fade and disappear. With PTSD, the symptoms continue to linger and in some cases get worse.

PTSD is not restricted to any one gender or age. Anyone, male or female, child or adult can develop PTSD. However, they may not always have the same symptoms. Symptoms of post-traumatic stress disorder in children can manifest itself through:

  • Bed wetting;
  • Regressing behavior such as forgetting how to speak;
  • Being unusually clingy;
  • Prone to tears and crying without cause;
  • Acting out or drawing dark, sad things - usually, this is their way of expressing the trauma they endured.

Some factors such as genetics, resilience, environment, history of exposure to trauma and social support can play a role in why some people develop PTSD while others don't even if they've been gone through the same traumatic event. For example, a girl who was raped who is able to confide in her family about what happened and have their love and support will likely be in a better position to speak to a therapist, deal with what happened and move on than a girl who can't talk about it for fear of judgement or because they have no support system and no one to turn to.

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PTSD is an unpredictable disorder in that it does not develop right away. Symptoms can begin to fester and take a while to crop up, anywhere from a few weeks to several months or even years later.

Symptoms Of PTSD And DSM 5 Criteria For Diagnosis

PTSD can be a tricky illness to identify because not only can some of the symptoms be attributed to other illnesses, but it is also an illness that largely plays out in your brain and mind. Depending on the severity of the disorder and the trauma experienced, people may also have physical reactions. For instance, if someone was in a plane accident, they may break out in a sweat or have a panic attack when faced with the idea of flying somewhere or getting into a plane again.

But once you decide to see a doctor, they will have a detailed conversation with you and will begin by ruling out other possible causes for the symptoms experienced by you. Through a series of physical and medical evaluations, things like addiction, tumors, other illnesses, etc. will be excluded before they start to look at PTSD.

According to DSM 5, Post Traumatic Stress Disorder diagnosis is rendered when at least one or more symptoms from each of the criteria below are met.

  1. Stressor

What caused the trauma? This criterion looks at how and in what way the individual was exposed to the traumatic event. Were they:

  • Directly involved? The victim?
  • Did they witness the traumatic event?
  • Did the trauma happen to a family or a loved one?
  • Were they indirectly exposed as a result of external factors such as their job? For example, police officers, doctors, veterans, etc.
  1. Intrusion

When the individual experiences or re-lives the trauma repeatedly as a result of or through:

  • Nightmares and flashbacks;
  • Intrusive memories they can't shake off;
  • Experiencing emotional and physical distress when they encounter something that reminds them of the trauma. Sometimes anniversaries of the traumatic event can also act as triggers.

Only one symptom is required in this criteria; for example, it is possible to have nightmares but no flashbacks and vice versa. Or have neither but have panic attacks when confronted with a reminder of the trauma.

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  1. Avoidance

When the individual avoids anything related to the trauma they endured. The avoidance can be emotional (refusing to think about it or blocking out the event), or they can be people, places, or things, which bring to mind what they went through. Avoidance to a degree is expected, but when it starts to get in the way of the individual living their life or is the only way they can get through their day, it's a problem.

  1. Cognition And Mood Symptoms

Thoughts, emotions, and feelings, which got worse or only started after the traumatic event occurred, such as:

  • Lack of interest in social or daily activities;
  • Increased sense of isolation;
  • Becoming detached from others;
  • Feeling negative and down about themselves and everything else around them;
  • Having a hard time thinking of positive things or feeling positive in general;
  • Difficulty remembering key details surrounding the traumatic event;
  • Blaming your self or others for the traumatic event.

At least two of the symptoms discussed above to be met in these criteria.

  1. Reactivity And Arousal Symptoms:

Reaction related to the trauma, which got worse or only started after the traumatic event occurred. At least one of the following symptoms have to be present:

  • Demonstrating aggressive or irritable behavior;
  • Has problems with sleeping;
  • Has problems with concentration and focusing;
  • Engaging in unusual and destructive behavior that is risky or dangerous;
  • Increased vigilance and constantly feeling a sense of danger or feeling like someone might attack and hurt them;
  • Prone to being easily startled or shaken up.
  1. Impairment:

The symptoms experienced by the individual is causing them distress and getting in the way of their ability to function properly or get through their day as they would normally have.

  1. Duration

All of the symptoms mentioned above will need to have persisted for at least a month or more to meet the criteria of PTSD.

Once symptoms from each criterion have been met, the doctor will provide a diagnosis and look at what treatment options best suit your needs.

Treatment of Post Traumatic Stress Disorder

Post Traumatic Stress Disorder treatment is focused largely around psychotherapy. Depending on the situation, medication can also be prescribed to help the patient through a rough patch or to enhance the effectiveness of talk therapy.

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When starting talk therapy, the mental health professional has three specific goals:

  • Decrease or get rid of your PTSD symptoms;
  • Provide you with the right tools to manage your symptoms;
  • Bring back your confidence and self-esteem;

The most successful form of psychotherapy for treating PTSD falls under the umbrella of Cognitive Behavioral Therapy (CBT), because CBT "…focuses on the relationship among thoughts, feelings, and behaviors; targets current problems and symptoms; and focuses on changing patterns of behaviors, thoughts and feelings that lead to difficulties in functioning."

CBT can be done in an individual session or group therapy, and at just 12-16 sessions, it's a short term commitment, and results don't take long to appear. During the sessions with the therapist, they will encourage you to talk about your experiences and work with you to identify your negative thoughts and patterns. Over time the negative behaviors are turned into positive ones.

Prolonged Exposure Therapy (PET) is another technique frequently used to treat PTSD. Throughout eight to fifteen sessions, which last for about an hour and a half, the patient is taught breathing and relaxation techniques and taught to confront their traumatic event as well as any reminders of them. The therapist gets the patient to face their emotions and fears step by step. The goal is to desensitize the patient to these reminders and decrease the symptoms of avoidance.

Another type of CBT technique also used for Post Traumatic Stress Disorder is Eye Movement Desensitization and Reprocessing (EMDR). Some people might prefer this option since you don't necessarily have to talk about what you went through. The purpose of EMDR is to focus internally on the traumatic event while you watch your therapist doing things like making sounds or moving their arms etc. EMDR requires weekly sessions for approximately three months, and the goal at the end of the three months will be to think of positive things whenever the trauma comes to mind.

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Medications like anti-depressants or medications, which will change your brain chemistry may also be prescribed. This is done to make you feel better, more positive, or more like your usual self. Certain medications will also help you sleep better and stop having flashbacks and nightmares. Keep in mind; the medication will not serve to cure you; it's a short-term solution only and acts more like a numbing effect to suppress the immediate physical and emotional problems. However, it can be very helpful to your overall treatment plan. Decreasing the symptoms of PTSD even temporarily can help you be more focused in your psychotherapy treatment as you learn how best to manage your symptoms for the long term.


PTSD can leave you feeling crippled and your life in total shambles. It can ruin your professional life, deeply impact your relationships, and make you feel very isolated and alone. It's also a condition that can turn dangerous as symptoms begin to worsen; it cannot be managed without external help.

PTSD is not an illness you have to live with forever, with the right treatment plan and a commitment on your end to see it through; the disorder can be treated and managed successfully.

Like with any illness, the sooner you get treatment, the better the outcome and the quicker you'll feel better. Having said that, it is never too late to get help for PTSD. You may feel that you've waited too long and you are beyond help.

This is not the case.

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Regardless of whether you have PTSD or not, if you've gone through a difficult or traumatic situation, it's a good idea to get therapy. Help is always available, whether its at your doctor's office, a local clinic, a place of worship, or even online. There are hundreds of resources online to help you better understand your symptoms, what you're going through, and the next steps. Admitting you have a problem can be a scary prospect, but it's the first step to getting better.

As soon as you begin treatment you will have turned a corner, and in a few short months, you will start to feel better and over time you will have turned your back on the crippling disease and will begin your life again with a clear mind and a clean slate.

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