What is Acute Stress Disorder?

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A person who has experienced or witnessed a life-threatening, terrifying, or otherwise deeply traumatic event may, in some cases, develop acute stress disorder (ASD), sometimes also called acute stress reaction. Examples of such events include:^[1][2][3][4]

• Natural disasters, such as floods, fires or earthquakes
• Physical or sexual assault
• Car accidents
• Sudden death of a loved one
• Receiving a life-threatening diagnosis

Symptoms of ASD may include flashbacks, nightmares or intrusive memories, avoidance of reminders of the event, difficulty remembering it, dissociation, an inability to experience positive emotions, anxiety, sleep disturbances, irritability, and difficulty concentrating. These symptoms can be very distressing. A person may also experience physical symptoms such as a pounding heart, nausea, and difficulty breathing.^[1][4] If you think that you might have ASD.

Everyone processes traumatic experiences in their own way, and an event that does not trigger ASD in one person may trigger the condition in another. ASD seems to be more common in women than men. People who have a prior history of ASD, post-traumatic stress disorder, or other psychiatric disorders, as well as people who have experienced a previous traumatic event, are also considered to be at increased risk of developing ASD.^[4]

A diagnosis of ASD can be made three days to one month after the traumatic event. ASD is a short-term condition, and the outlook is generally good. Many people get better on their own, without any specific treatment. However, some people may benefit from timely diagnosis and treatment – which typically comprises psychotherapy, sometimes with medication – particularly where symptoms are severe or persist.^[1][2]

Post-traumatic stress disorder (PTSD)

If the symptoms of ASD persist for more than 30 days or first appear after this period,^[5] a diagnosis of post-traumatic stress disorder (PTSD) may be considered. Treatment, which is usually psychotherapy, sometimes with medication, may be recommended to help lessen the symptoms and duration of PTSD. Most people recover from PTSD; without treatment, though, this may take several months or years. In a small number of people, the condition may become chronic.^{[6][7][8][9][10]} Not everyone who has ASD will go on to develop subsequent PTSD, and some people develop PTSD without experiencing ASD first.^[11]

Read more about PTSD »

Symptoms of acute stress disorder

Symptoms of acute stress disorder typically manifest immediately after a traumatic event. For a diagnosis of ASD to be made, they need to be present for between three and 30 days.^[4]

People who are affected by ASD tend to experience extreme feelings of terror and helplessness in reaction to the trauma^[3] and may develop psychological and physical symptoms.

The physical symptoms are typically caused by stress hormones such as adrenaline (epinephrine) and overactivity of the nervous system. They may include:^[1]

• Palpitations, i.e. a pounding heart
• Difficulty breathing
• Chest pain
• Headache
• Stomach pain
• Nausea
• Sweating

These symptoms usually develop within minutes or hours of the traumatic event and may clear within a few hours or days. However, in some cases, the symptoms persist for weeks.

Psychological symptoms of acute stress disorder include:^[4]

• Arousal: Hypervigilance, an inability to focus, sleep disturbances, irritable mood and angry outbursts
• Avoidance: Determination to avoid memories, people, feelings or places associated with the trauma
• Dissociation: A sense of physical displacement, e.g. seeing oneself from outside one’s body, feeling dazed, experiencing an altered perception of time, difficulty remembering the event
• Intrusion: Recurrent, involuntary flashbacks of the event, nightmares about the event
• Negative mood: A generalized low mood, difficulty feeling and/or expressing positive emotions

If you are concerned about any symptoms.

ASD versus PTSD

Many of the symptoms of ASD are almost identical to those of PTSD. However, a diagnosis of PTSD will only be considered if the symptoms persist for more than 30 days or first appear more than one month after the trauma has occurred.

Though many people who are diagnosed with ASD do not go on to develop PTSD, it is thought that having the former may increase a person’s risk of developing the latter. A prompt diagnosis of ASD can help people manage the condition and reduce the risk of them developing PTSD.^[11][3]

Causes

Acute stress disorder can develop after a person, of any age, experiences or witnesses a deeply distressing or traumatic event – often one that is life-threatening or perceived as life-threatening. Examples include:^[1][2][3][4]

• Natural disasters, such as floods, fires or earthquakes
• Serious accidents
• Physical or sexual assault, including domestic abuse
• Combat
• Terrorist attacks
• Sudden death of a loved one
• Receiving a life-threatening diagnosis
• Facing a seemingly impossible challenge, e.g. related to one’s job or career

Seeing a traumatic event on television or in other media is not typically considered a trigger for ASD.^[4]

Risk factors

Not everyone who experiences trauma will develop ASD. A number of factors may increase the risk of a person developing the condition. These include:^[4]

• Being female
• A history of trauma
• A history of mental health conditions
• The severity of the traumatic event
• Neurotic personality traits, e.g. experiencing the world as largely threatening, distressing and unsafe^[12]
• Avoidance as a coping mechanism

Diagnosis

ASD can be diagnosed after symptoms have been experienced for at least three days. It is not possible to self-diagnose with ASD, as diagnosis requires an objective analysis of the symptoms of the affected person. If a person has experienced a traumatic event and thinks that they may have ASD, it is recommended that they visit a healthcare practitioner.

After taking the person’s history and performing a physical examination, a doctor will typically diagnose acute stress disorder using the following criteria.

DSM-5 diagnostic criteria

To diagnose ASD, a doctor may refer to the DSM 5 diagnostic criteria, the official diagnostic criteria as listed by the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). These are:^[4]

1. Exposure to actual or threatened death, serious injury or sexual violation: In addition to directly witnessing or experiencing a traumatic event, it is possible for a person to be affected by ASD if they learn that a traumatic event happened to a close relative or friend or are exposed to traumatic events as part of their job.
2. Presenting symptoms: Of the five categories of symptoms for ASD – intrusion, negative mood, dissociation, avoidance and arousal – someone who is affected by ASD will present at least 9 of the 14 symptoms, from any of the categories.
3. Duration of the disturbance: The symptoms of ASD must last for at least three days in order for a diagnosis of ASD to be made. They must also manifest between at most three days and one month after the traumatic event took place.
4. Significant distress: The symptoms are debilitating enough to impact the person’s usual way of life, such as through impaired performance at work or the inability to participate normally in social activities.
5. Ruling out other causes: To make a diagnosis of ASD, the doctor must establish that a particular event is the root cause of the condition. They will, therefore, take care to identify any other possible causes, ruling out physical conditions, such as brain injury, or other psychological conditions. They will also consider whether the condition could be attributed to the effects of substances such as medication or alcohol.

Treatment

Many people with ASD recover without any treatment. However, effective treatment options are available and may be recommended in cases where symptoms are severe or persistent.

Treatment, which is primarily psychotherapy, sometimes combined with short-term use of medication, is aimed at alleviating symptoms and reducing the risk of the person subsequently developing PTSD.^[13]

If symptoms of ASD do not improve, a diagnosis of PTSD may be considered and the treatment plan revised accordingly.

Psychotherapy

While there are many different types of psychotherapy, trauma-focused cognitive behavioral therapy (TFCBT) is the one recommended for the treatment of acute stress disorder. A timely course of TFCBT has been proven to reduce the likelihood of ASD developing into PTSD.^[14][13]

TFCBT helps people to become aware of and adjust unhelpful thought patterns and behaviors related to the trauma, thus aiding the recovery process. It is usually initiated no sooner than two weeks after the traumatic event, with six weekly sessions of 60 to 90 minutes.^[13]

Medication

Medication is not a first-line treatment for ASD, and the World Health Organization generally advises against the use of sleeping pills, as well as anti-anxiety drugs in the form of benzodiazepines, in the management of the condition.^[2]

If recommended at all, benzodiazepines such as clonazepam will typically be used only in low doses, for the short-term relief of severe anxiety and arousal symptoms. This type of medication carries risks of dependence if used long-term and may also increase the risk of developing PTSD.^[2][13]

Beta-blockers, a class of medication that is not addictive, may be prescribed to alleviate some of the physical symptoms of ASD.^[2] Other medications, including anti-depressants, are currently not recommended for the treatment of ASD.^[13]

Acute stress disorder FAQs

Q: What are the symptoms of acute stress disorder in children?
A: If a child has experienced a traumatic event, it is important to monitor their behavior, as children are less likely than adults to recognize or self-report that they are experiencing symptoms of ASD. Difficulty sleeping, nightmares, a repeated reenactment of the traumatic event through play, problems with concentration, detachment, and irritability are all possible signs that a child is affected by ASD. If a caregiver suspects that a child may be experiencing ASD, it is recommended that they consult a health practitioner.^[15]

Q: How is acute stress disorder different from post-traumatic stress disorder?
A: Many of the symptoms of ASD are very similar to those of PTSD, a typically longer-term condition that can develop after a person experiences or witnesses a life-threatening, terrifying, or otherwise deeply traumatic event. ASD is a short-term condition that can only be diagnosed between three days and one month after a traumatic event, and it is thought to have a somewhat broader range of triggers than PTSD. If symptoms of a stress reaction persist for more than 30 days or first appear more than one month after the trauma has occurred, a diagnosis of PTSD may be considered. While many people who are diagnosed with ASD do not go on to develop PTSD, it is thought that ASD may increase a person’s risk of developing PTSD.^[7][11][3]

Read more about PTSD »

Q: How is acute stress disorder different from adjustment disorder?
A: People affected by adjustment disorder may present symptoms similar to those of people affected by ASD. However, a major difference between ASD and adjustment disorder is related to the trigger of the condition. Whereas ASD is caused by a person experiencing or witnessing a traumatic event such as a car crash, natural disaster, or sexual assault, adjustment disorder is triggered by a more broadly stressful, life-changing event or circumstance, such as the birth of a child, job loss, diagnosis with serious illness, marriage or the breakdown of a relationship. In addition, the reaction of the body’s nervous system tends to be less severe than in ASD. People affected by adjustment disorder typically recover within six months of no longer being exposed to the stressor.^[16][17]

Read more about Adjustment Disorder »

Other names for acute stress disorder

• ASD
• Acute stress reaction

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1. Patient (Consumer). “Acute Stress Reaction.” December 2, 2016. Accessed February 25, 2018. ↩ ↩ ↩ ↩ ↩

2. Patient (Pro). “Acute Stress Reaction.” December 2, 2016. Accessed February 25, 2018. ↩ ↩ ↩ ↩ ↩ ↩

3. American Family Physician. “The Physician’s Role in Managing Acute Stress Disorder.” October 1, 2012. Accessed February 25, 2018. ↩ ↩ ↩ ↩ ↩

4. UpToDate. “Acute stress disorder in adults: Epidemiology, pathogenesis, clinical manifestations, course, and diagnosis.” February 17, 2017. Accessed February 25, 2018. ↩ ↩ ↩ ↩ ↩ ↩ ↩ ↩ ↩

5. ReachOut.com. “Acute stress and post-traumatic stress disorders.” Accessed February 25, 2018. ↩

6. U.S. Department of Veterans Affairs – National Center for PTSD. “What Is PTSD?” September 15, 2017. Accessed February 25, 2018. ↩

7. National Institute of Mental Health. “Post-Traumatic Stress Disorder.” February, 2016. Accessed February 25, 2018. ↩ ↩

8. Patient (Consumer). “Post-traumatic Stress Disorder.” August 9, 2017. Accessed February 25, 2018. ↩

9. Patient (Pro). “Post-traumatic Stress Disorder.” January 19, 2016. Accessed February 25, 2018. ↩

10. Lahad, M and Doron, M. “Protocol for Treatment of Post Traumatic Stress Disorder.” 2010. Turkey: IOS Press. ↩

11. U.S. Department of Veterans Affairs – National Center for PTSD. “Acute Stress Disorder.” January 9, 2018. Accessed February 25, 2018. ↩ ↩ ↩

12. Encyclopaedia Britannica. “Neuroticism.” Accessed February 28, 2018. ↩

13. UpToDate. “Treatment of acute stress disorder in adults.” January 17, 2014. Accessed March 1, 2018. ↩ ↩ ↩ ↩ ↩

14. US National Library of Medicine, National Institutes of Health. “Treatment of acute stress disorder: a comparison of cognitive-behavioral therapy and supportive counseling.” October, 1998. ↩

15. Child Mind Institute. “Acute Stress Disorder: What to Look For.” Accessed March 2, 2018. ↩

16. Clinical Practice & Epidemiology in Mental Health. “Adjustment Disorder: epidemiology, diagnosis and treatment.” June 26, 2009. Accessed March 2, 2018. ↩

17. Sonora Behavioral Health. “Causes & Effects of Adjustment Disorder.” Accessed March 2, 2018. ↩

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## What is⁢ Acute ‍Stress Disorder?



Acute stress disorder (ASD) ⁣is a‍ psychological reaction that‌ occurs ​in people who⁤ have ‌experienced a traumatic event. Symptoms of ASD⁣ typically⁢ develop within‍ 4 weeks of the event and ⁣can last up to ⁢4 weeks. ASD is⁤ more common in women than in men, and it is estimated to affect up to ​20% of people who have experienced a traumatic event.



**Symptoms of Acute Stress Disorder**



The symptoms of ASD can vary depending on the individual, but⁢ they typically include:



* ⁤**Intrusive thoughts and ‌memories:** These ⁣are unwanted and distressing thoughts and memories of‍ the traumatic event that can pop into the person’s mind at any time.

*‍ **Flashbacks:** ‌These are⁣ vivid and often uncontrollable memories ⁣of the traumatic ⁤event that can feel⁤ like the person is reliving the event.

* **Avoidance:** People with ASD may avoid people, places, or things that remind⁤ them of the traumatic event.

* **Negative‌ changes in mood and behavior:**‌ People with ASD may experience feelings of sadness, anger, or ⁤guilt. They may also​ become irritable, withdrawn, or have difficulty concentrating.

* **Physical symptoms:** People with‍ ASD⁤ may also experience physical symptoms, such‍ as headaches, stomachaches, or muscle tension.



**Causes of Acute Stress​ Disorder**



ASD is caused by exposure to a traumatic event. This event ‍can be ‍anything that is life-threatening or that causes serious injury or harm. Some ​examples of traumatic events that can lead to‍ ASD include:



*⁣ **Natural disasters:** Earthquakes, floods, and hurricanes.

* ​**Accidents:** Car accidents, airplane crashes, and train wrecks.

*⁣ **Acts⁤ of‌ violence:** Shootings, stabbings, and assaults.

* **Sexual assault:** Sexual abuse and rape.

* **Childhood abuse⁢ or neglect:**‍ Emotional, physical, or sexual‌ abuse or neglect.



**Treatment for Acute Stress Disorder**



Treatment for ASD typically involves a combination of therapy⁤ and medication. Therapy can help​ people to process⁣ their trauma​ and to learn coping mechanisms. Medication can be ​used to relieve symptoms of anxiety⁤ and depression.



**Pro⁣ prognosis**



Most people with ASD recover within ⁣a‌ few weeks or months.⁢ However, some people ‍may develop post-traumatic‌ stress disorder (PTSD), which is a more ⁣chronic condition that can⁤ last⁤ for months or even⁢ years.



**Preventing Acute Stress​ Disorder**



There is no surefire​ way to prevent ASD, but there are some things that may help to reduce the risk of developing the condition.⁢ These include:



* **Getting help as soon as possible after a traumatic ⁤event:** Talking to a therapist ​can ⁢help you to process the event and to learn coping mechanisms.

* **Taking care of yourself:** This includes⁢ eating a healthy‌ diet, getting enough ​sleep, and exercising‍ regularly.

* **Connecting‌ with others:** Talking ‌to⁣ friends, family, or ⁢other people who have experienced ‍trauma can help you‌ to feel supported and ⁢less alone.