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Hyperarousal in PTSD: Causes, Symptoms, and Treatment.

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In PTSD, overactive fight-or-flight stress reactions put the body and mind on high alert even when there is no danger, which is known as hyperarousal.

Written by

Dr. Kinjal Shah

Medically reviewed by

Dr. Vishal Anilkumar Gandhi

Published At May 2, 2024
Reviewed AtMay 2, 2024

Introduction

A mental health illness known as post-traumatic stress disorder (PTSD) may arise following events that might cause trauma, including sexual assault, major accidents, natural catastrophes, war, and simply witnessing acts of violence. These incidents have the potential to endanger someone's physical or mental health and make them feel uncomfortable. It is critical to realize that going through a terrible experience does not automatically result in PTSD. While some people gradually heal independently, others experience symptoms that have a major influence on their daily lives.

To diagnose post-traumatic stress disorder, medical professionals usually look for three or four main symptoms. The primary symptom among them is hyperarousal. Being constantly agitated, furious, and paranoid is a hallmark of hyperarousal, which can drastically affect the mood and quality of life. This article examines the signs and causes of hyperarousal and strategies for coping with it.

What Is Hyperarousal?

In essence, hyperarousal is an excessive fight-or-flight reaction. The fight-or-flight branch of the autonomic nervous system triggers the body's natural production of hormones that cause chronically heightened levels of alertness, preparing the body to either confront the threat (fight) or escape the situation (flight). This reaction gets dysregulated in PTSD, causing people to feel tense all the time, even when there is not a direct threat.

Causes of Hyperarousal in PTSD?

Anything that reminds a person suffering from PTSD of a traumatic event or events might trigger symptoms as the person moves through life. Here are a few instances that might raise the stress levels:

  1. The smell of diesel gasoline might cause flashbacks of a potentially fatal incident, such as an accident, if it is associated with the location and time of the trauma.

  2. If a car crash on black ice caused PTSD, seeing a freezing rain symbol on the weather forecast.

  3. Sitting in the checkout line at a supermarket and hearing an old song that triggers strong recollections of a tragic experience.

Such triggering events can instantly induce hyperarousal inside oneself. The following are some physiological signs of autonomic hyperarousal:

  1. Elevated heart rate.

  2. Increased BP (blood pressure).

  3. Sweaty hands.

  4. Breathlessness.

  • Overactive nervous system. Hyperarousal is characterized by anxiety and difficulty relaxing. Being "on guard" and hypervigilant all the time is exhausting. The knock-on consequences of hyperarousal impair people's capacity to manage daily living.

  • Events that induce PTSD may eventually cause dysregulation or improper control of the autonomic nervous system's stress response. Chronic hyperarousal occurs when the body's natural stress responses remain in overdrive and never stop.

  • The body's fight-or-flight reaction is swiftly triggered by surges of the chemical messengers norepinephrine and epinephrine (adrenaline), which frequently shield one from harm. Hyperarousal in PTSD, however, can result from persistently high levels.

What Are the PTSD Hyperarousal Symptoms?

Individuals who are hyperarousal may exhibit a variety of symptoms, such as:

  • Anger or Irritability: Excessive alertness and a neurological system sensitive to slight pressure can cause annoyance and impatience.

  • Sleep Issues: The body's inability to completely relax leads to difficulty going to sleep, staying asleep, and experiencing restless nights.

  • Problems With Concentration: Being on high alert always might make it difficult to concentrate on work or remember information.

  • Startle Response: Exaggerated startle reactions might result from a heightened sensitivity to abrupt noises or movements.

  • Racing Thoughts: Persistent and disruptive intrusive thoughts associated with the trauma might occur.

How to Diagnose Hyperarousal in PTSD?

An adult has to experience each of the following symptoms for at least one month to be diagnosed with PTSD.

  • At least one symptom has resurfaced.

  • At least one symptom of avoidance.

  • Two or more signs of arousal and reactivity.

  • At least two issues with mood and cognition.

Notify the healthcare physician if one has unpleasant symptoms after a stressful incident. If needed, they can be recommended to a mental health professional for additional evaluation and care.

What Is the Treatment?

Below is a summary of the suggested therapy options:

  • Psychotherapy: Working with a mental health expert to address the thoughts, feelings, and behaviors connected to the trauma is known as psychotherapy. Certain kinds that are frequently used to treat PTSD include:

  1. Cognitive Behavioral Therapy (CBT): CBT assists in recognizing and modifying harmful thought patterns that fuel hyperarousal and other symptoms of post-traumatic stress disorder. One picks up coping skills to control emotions and stress.

  • Medication: Drugs may help balance the brain chemistry that may have been upset by the trauma. Here are a few instances:

  1. Antidepressants: These drugs can elevate mood and lessen symptoms such as anxiety and insomnia, which can exacerbate hyperarousal.

  2. Anti-anxiety Medications: These treatments have the potential to alleviate the anxiety symptoms that frequently accompany hyperarousal temporarily.

  • Device-Based Neurotherapy: A more recent strategy aims to control brainwave activity and lessen hyperarousal symptoms by using gadgets to provide targeted stimulation to the brain. (Note: This therapy is not yet generally accessible and is actively being researched.)

  • Lifestyle Interventions: These are adjustments to make in the daily schedule to encourage rest and enhance general well-being:

  1. Changes in Diet: Eating a nutritious, well-balanced diet can give the body the nourishment it needs to operate at its best and handle stress.

  2. Mindfulness Training: Mindfulness techniques, such as meditation, assist in reducing rumination on unfavorable ideas that exacerbate hyperarousal and help to concentrate on the here and now.

  3. Meditation: Meditation is the practice of quieting the mind and concentrating in attention. This can encourage calmness and lessen tension, eventually aiding in managing.

  4. Regular Exercise: Frequent exercise generates endorphins, organic mood enhancers that help reduce anxiety and enhance sleep quality, which allows for lower hyperarousal.

  • Additional Methods:

  1. Diaphragmatic Breathing Exercises: These breathing methods encourage relaxation and quiet the nervous system's fight-or-flight response by emphasizing slow, deep breaths from the diaphragm.

  2. Exposure Therapy: In a secure and supervised environment, exposure therapy progressively exposes memories or circumstances connected to the trauma. By doing so, one can lessen the anxiety and hyperarousal and begin to process the trauma.

  3. Eye Movement Desensitization and Reprocessing (EMDR): EMDR helps process and diminish the emotional effect of traumatic memories by using eye movements in conjunction with recalling them. This technique may help reduce hyperarousal.

  4. Progressive Muscle Relaxation: By gradually tensing and releasing various muscular groups across the body, progressive muscle relaxation promotes relaxation and lessens tension, reducing hyperarousal.

  5. Non-invasive Vagus Nerve Stimulation: This technique includes activating the vagus nerve, which contributes to the calming response of the neurological system. Further study is required to evaluate the effectiveness of this emerging therapy approach for hyperarousal.

Conclusion

Hyperarousal is a typical sign of PTSD, which can be a long-term disease. With the appropriate therapy, medication, and continued support, PTSD may be effectively treated. A person should see a doctor for an appropriate diagnosis and treatment plan if they are exhibiting signs of hyperarousal or post-traumatic stress disorder (PTSD).

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Dr. Vishal Anilkumar Gandhi
Dr. Vishal Anilkumar Gandhi

Psychiatry

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