Understanding Acute Stress Disorder (ASD)
If your child, teen, or young adult is experiencing intense anxiety, emotional distress, nightmares, intrusive memories, or feeling disconnected after a traumatic event, they may be experiencing Acute Stress Disorder (ASD).
While it is normal to feel shaken after trauma, persistent symptoms that interfere with daily life may benefit from professional support.
Anxiety Institute provides evidence-based assessment and treatment for Acute Stress Disorder in children, adolescents, young adults, and adults in Greenwich, CT; Madison, NJ; and McLean, VA, with online treatment available in eligible locations. Our experienced clinicians use evidence-based approaches including Trauma-Focused Cognitive Behavioral Therapy (TF-CBT), Cognitive Behavioral Therapy (CBT), exposure-based interventions, and family support to help individuals process traumatic experiences and begin recovery.
Early treatment can reduce distress, restore daily functioning, and help individuals regain a sense of safety and control. Contact us for a complimentary consultation to learn which treatment option may be the best fit for you or your family.
What is Acute Stress Disorder and how is it treated? 1:31
Signs & Symptoms
Signs and Symptoms of Acute Stress Disorder in Teens and Young Adults
Acute Stress Disorder can develop after experiencing, witnessing, or learning about a traumatic event. Symptoms typically begin within three days of the event and last for up to one month.
Examples of traumatic experiences may include:
- Physical or sexual assault
- Serious accidents or injuries
- Medical emergencies
- Natural disasters
- Violence in the home or community
- Sudden loss of a loved one
- Bullying or threatening experiences
- Witnessing a traumatic event
Common Intrusion Symptoms
- Intrusive memories
- Flashbacks
- Distressing dreams or nightmares
- Intense emotional reactions to reminders of the trauma
- Physical distress when reminded of the event
Common Dissociative Symptoms
- Feeling detached from yourself
- Feeling emotionally numb
- Feeling disconnected from your surroundings
- Difficulty remembering important parts of the traumatic event
Common Avoidance Symptoms
- Avoiding people, places, or situations that remind you of the trauma
- Avoiding conversations about what happened
- Withdrawing from family or friends
- Avoiding activities that trigger distress
Common Arousal Symptoms
- Difficulty sleeping
- Hypervigilance
- Being easily startled
- Irritability
- Difficulty concentrating
- Feeling constantly on edge
Early Acute Stress Disorder Assessment Matters
A comprehensive evaluation can help determine whether symptoms are part of a normal stress response, Acute Stress Disorder, PTSD, anxiety, depression, grief, or another mental health concern.
Our assessments evaluate:
- Trauma history
- Symptom severity and duration
- Emotional and behavioral functioning
- School or work performance
- Family functioning and support
- Co-occurring anxiety, depression, or related conditions
- Recommended level of care
Early assessment helps ensure individuals receive the appropriate support during the critical weeks following a traumatic event.
Impact on School, Family and Relationships
How Acute Stress Disorder Affects School, Family, and Relationships
School Impact
Students with Acute Stress Disorder may:
- Have difficulty concentrating
- Experience declines in academic performance
- Miss school due to anxiety or emotional distress
- Feel overwhelmed in busy environments
- Have difficulty completing assignments
Family Impact
Trauma often affects the entire family.
Families may experience:
- Increased stress or worry
- Emotional withdrawal
- Changes in routines
- Difficulty communicating
- Uncertainty about how to provide support
Social Impact
Children, teens, and adults with Acute Stress Disorder may:
- Withdraw from friends
- Avoid activities they previously enjoyed
- Feel disconnected from others
- Struggle to trust people
- Feel isolated or misunderstood
Acute Stress Disorder Treatment
Evidence-Based Treatment
Treatment focuses on helping individuals safely process the traumatic experience, reduce distressing symptoms, and build healthy coping strategies.
Treatment may include:
- Trauma-Focused Cognitive Behavioral Therapy (TF-CBT)
- Cognitive Behavioral Therapy (CBT)
- Exposure-based interventions
- Cognitive restructuring
- Emotional regulation skills
- Relaxation and coping strategies
Exposure-Based Therapy
Exposure-based interventions help individuals gradually approach trauma-related memories, thoughts, and situations they have begun avoiding.
With guidance from an experienced clinician, individuals learn that anxiety naturally decreases over time and that they can safely tolerate difficult emotions without relying on avoidance.
Cognitive Restructuring
Following a traumatic event, it is common to develop unhelpful beliefs, such as:
- “I’m never safe.”
- “Everything is dangerous.”
- “The trauma was my fault.”
- “Something bad will happen again.”
Treatment helps individuals identify these thoughts and develop more balanced, realistic perspectives.
Family Involvement
Family support plays an important role in recovery, particularly for children and adolescents.
Parents and caregivers learn strategies to:
- Support recovery
- Respond to trauma-related symptoms
- Encourage healthy coping
- Improve communication
- Create a sense of safety and predictability
Medication Support
For some individuals, medication may be recommended as part of a comprehensive treatment plan to help manage symptoms such as anxiety, sleep disruption, or depression. When appropriate, our Integrated Psychiatric Services team works closely with therapists to provide coordinated, individualized care.
Acute Stress Disorder Treatment in CT, NJ, and VA
Anxiety Institute specializes in treating Acute Stress Disorder, PTSD, anxiety disorders, and related conditions in children, adolescents, young adults, and adults.
We offer:
- Comprehensive Acute Stress Disorder assessments
- Individualized treatment plans
- Trauma-Focused Cognitive Behavioral Therapy (TF-CBT)
- Exposure-based treatment
- Family guidance and support
- Intensive Outpatient Program (IOP)
- Individual outpatient therapy
- Integrated Psychiatric Services
- In-person treatment in Connecticut, New Jersey, and Virginia
- Online treatment in eligible locations
Help for Acute Stress Disorder
Acute Stress Disorder is highly treatable, and early intervention can make a meaningful difference in recovery. If trauma-related symptoms are affecting your child’s or your own emotional well-being, school, work, relationships, or daily functioning, we’re here to help.
Contact us today for a complimentary consultation. Our team will answer your questions, explain treatment options, and help determine the next best step toward recovery.
Resources
Newsletter:
Read Anxiety Institute’s newsletter about acute stress disorder.
Acute and Posttraumatic Stress Disorders in Children and Adolescents
Merck | Read Article
Diagnostic and Statistical Manual of Mental Disorders (5th ed.)
American Psychiatric Association. (2013) | Find it on Amazon
Johns Hopkins Medicine | Read Guide
Support Groups for Acute Distress Disorder
NetworkTherapy.com | Read Article
Treatment for Teen Acute Stress Disorder
Paradigm Malibu | Read Article
Have questions?
Quick FAQs
Acute Stress Disorder
Acute Stress Disorder Explained 1:32
Acute stress disorder is a short-term reaction to a traumatic event, such as a car accident, assault, or natural disaster. Symptoms often appear within days and last up to a month. Children or teens may feel intense fear, helplessness, or be “on edge,” which can affect emotions, thinking, and physical well-being. It can interfere with school, work, relationships, and daily routines. Early recognition and support are key to recovery.
Symptoms usually appear within three days and can include:
- Intrusion: Flashbacks, nightmares, or vivid memories
- Dissociation: Feeling detached from surroundings or oneself
- Negative mood: Persistent sadness, numbness, or hopelessness
- Avoidance: Staying away from reminders of the trauma
- Arousal: Trouble sleeping, irritability, being easily startled, or difficulty concentrating
These symptoms can affect daily life, school, and social interactions.
Acute stress disorder occurs as the body and mind respond to extreme stress. Risk can increase with a history of trauma, pre-existing mental health conditions, or limited support. Biologically, the body’s stress system may temporarily dysregulate, contributing to hypervigilance, dissociation, and heightened emotional responses.
A mental health professional evaluates symptoms through interviews, questionnaires, and observations. For children, input from parents, teachers, or caregivers provides a complete picture. Symptoms must interfere with daily functioning for at least three days and up to a month to meet diagnostic criteria. A tailored plan can then support recovery.
Mild acute stress disorder often resolves on its own, especially with strong support. Many recover within days or weeks. About 5% may develop post-traumatic stress disorder if symptoms persist beyond a month. Early intervention—through therapy or support groups—can help prevent long-term difficulties.
Trauma-focused cognitive behavioral therapy (CBT) is highly effective, helping children process the trauma and build coping skills. Therapists may also use exposure therapy or cognitive restructuring. Short-term medication can help with anxiety, irritability, or sleep problems, but therapy is usually first. Supportive strategies like mindfulness, grounding exercises, or yoga can complement treatment. Early intervention helps prevent symptoms from developing into post-traumatic stress disorder or other mental health conditions.
Reminders of the trauma—such as returning to the location, discussing the event, or seeing someone involved—are the most common triggers. Stress, lack of sleep, substance use, or avoidance behaviors can also worsen symptoms. Media coverage of similar events may trigger intrusive thoughts or nightmares. Learning coping strategies and managing triggers with support can aid recovery.
ASD can disrupt school, work, and social interactions. Children may struggle with sleep, concentration, and everyday tasks. Even minor responsibilities can trigger anxiety, dissociation, or flashbacks. Withdrawal from normal activities can affect relationships. Early support helps maintain routines, stability, and healthy connections.
Learn about ASD to understand what your child or loved one is experiencing. Offer emotional support without judgment and create safe spaces for them to share feelings. Avoid pressuring them or trying to “fix” the problem—encourage professional help. Assist with daily tasks, maintain calm routines, and be consistent, compassionate, and available. Supportive relationships help your child recover and feel secure.