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What Is PTSD? Symptoms, Signs & Treatment

Post-traumatic stress disorder is a heightened, prolonged stress response that develops into a chronic mental health condition.

Some of the most important advancements in the diagnosis and treatment of mental health disorders in the last decade have come from an improved understanding of trauma and trauma-related disorders.

Post-traumatic stress disorder (PTSD) is arguably the most well-known trauma-related disorder. Improvements in its diagnosis and treatment have increased understanding of other conditions and changed the mental health landscape.

Growing public awareness of the experiences of traumatized veterans and victims of sexual assault is encouraging more people to open up about trauma-related distress, making PTSD an increasingly common diagnosis and focal point of mental health initiatives.

What Is PTSD?

Post-traumatic stress disorder is a heightened, prolonged stress response that develops into a chronic mental health condition. While most traumatized people experience symptoms of acute stress, not everyone who experiences trauma develops PTSD. The main factor that distinguishes PTSD is its persistence. People who develop the disorder spend long periods, often years, dealing with the aftermath of a traumatic event.

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Among the most extensive updates in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM) were those to the definition of PTSD. First, the disorder wasre-classifiedas a “Trauma and Stressor-Related Disorder,” whereas it was previously classified as an anxiety disorder in the DSM-IV. Second, trauma is now more specifically defined as an event belonging to one of the following four categories:

  • Death
  • Threatened death
  • Actual or threatened serious injury
  • Actual or threatened sexual violence

In addition, the definition of exposure to trauma was clarified and expanded to include four types of exposure:

  • Direct exposure
  • Witnessing in person
  • Witnessing indirectly, by learning of a close friend or loved one’s trauma
  • Repeated or extreme indirect exposure to aversive details of a traumatic event

Symptoms of PTSD

Post-traumatic stress disorder symptoms fall into one of four main categories: intrusive symptoms, avoidance symptoms, mood and cognitive symptoms and reactivity symptoms.

  • Intrusive Symptoms:Intrusive symptoms are probably the most well-known PTSD symptoms and are the most frequently dramatized in popular media. These include flashbacks or dissociative reactions in which people feel as if they are reliving traumatic events. Flashbacks are more than memories. They are vivid, overwhelming multi-sensory experiences that provoke a stress response. Intrusive memories and nightmares are other common intrusive symptoms of PTSD.
  • Avoidance Symptoms:In order to be diagnosed with PTSD, a person must make persistent efforts to avoid intrusive symptoms and other distressing trauma-related experiences. These include efforts to avoid internal and external reminders of trauma as well as associated thoughts or feelings. These symptoms can drive people to seek external means to numb themselves, such as substance abuse and social withdrawal.
  • Mood and Cognitive Symptoms:People with PTSD often experience symptoms of depression. These include constricted affect, reduced self-esteem, guilt and self-blame, and loss of interest in activities that were previously enjoyed. In addition to blunted emotions, people with PTSD may feel detached or estranged from others, deal with anhedonia and be unable to remember certain elements of the traumatic event.
  • Arousal and Reactivity Symptoms:Another well-known symptom of PTSD is an exaggerated startle response. In general, people with PTSD are more reactive to events around them. Their brains are constantly activating the stress response system, driving them into a state of hypervigilance. People with PTSD often become irritable and aggressive, more likely to lash out in response to perceived slights or to become self-destructive or reckless. They may have problems with concentration and sleep.

Types of PTSD & Related Conditions

There are several types of PTSD and similar stress-related conditions, each characterized by a different presentation of symptoms.

  • Normal Stress Response:The normal stress response is the chain of internal events that motivates people to respond to circumstances they need to escape or avoid. People often call this the “fight or flight” response. Theamygdala, the part of the brain responsible for emotional arousal, sends stress signals to the hypothalamus, which communicates with the autonomic nervous system. This causes several changes in the body, including increased heart rate, increased blood pressure, sharpened senses and rapid breathing. Cortisol levels rise to keep the body in this heightened mode until the threat passes. Normally, these effects fade soon after the stressful event is over. However, chronic stress can prolong the normal stress response and have significant physical and psychological effects
  • Acute Stress Disorder:Acute stress disorderis a trauma-related disorder listed in the DSM-5. Despite its name, it is triggered by trauma rather than acute stress and has a lot in common with PTSD. Like PTSD, it requires that a person experienced an event that involved actual or threatened death or serious injury and caused them to experience horror, fear or helplessness. The maindifference between acute stress disorder and PTSDis in the duration and timing of the disorder. These symptoms must last at least three days and no longer than a month and must occur within a month of exposure to the traumatic event.
  • Uncomplicated PTSD:Uncomplicated PTSD is simply PTSD with no co-occurring conditions. It has been researched and found to be anormative and primary responseto severe trauma even in people with no prior history of mental health problems. When people have PTSD and no other conditions, treatment can be focused solely on trauma-related symptoms.
  • Comorbid PTSD:Comorbid PTSD is extremely common. About80 percentof people with PTSD experience another mental health disorder in their lifetime and about 50 percent have a secondary disorder concurrent with PTSD. The most common co-occurring conditions for people with PTSD are major depressive disorder, substance use disorders and anxiety disorders. These secondary conditions require a more complex and multifaceted approach toPTSD treatment. Co-occurring substance use disorders are a particular concern. Substance abuse increases the general risk of impulsive harm to self or others, which is even further heightened when combined with the symptoms of PTSD.
  • Complex PTSD:Complex PTSDoccurs when a person is exposed to a series of ongoing traumatic events instead of an isolated traumatic incident. It is currentlynot a separate diagnosisin the DSM-5 but has been considered as a future addition. In general, any situation in which a person is repeatedly victimized by others can lead to the development of complex PTSD. Standard PTSD interventions can still be effective for complex PTSD, but additional therapeutic work may be necessary to help people with complex PTSD rebuild feelings of control and trust.

Causes of PTSD

PTSD causes and symptoms are more common than people may realize. Exposure to trauma is the main cause of PTSD, and millions of people are exposed to trauma every year.

According to Pew Research, about7 percentof the United States population are serving or have served in the military and have potentially been exposed to war-related trauma. About 1 in 5 women and 1 in 71 men are sexually assaulted in the United States in their lifetimes. More than 40 percent of children from the ages of 0 to 17 years old are physically assaulted each year.

Post-traumatic stress disorder causes are complex and include other factors besides exposure to trauma. These include temperament, individual stress responses, inherited mental health risks and the overall amount of stress a person has experienced in a lifetime.

Diagnosing PTSD

Like all othermental health conditions, PTSD is diagnosed primarily through one or more clinical interviews in which a mental health professional asks targeted questions to determine whether a person meets the DSM criteria for the disorder. Sometimesscreening tools, scales and assessments are used.

PTSD may develop immediately after a traumatic event or have a delayed onset of months or even years. People who start experiencing post-traumatic symptoms at any point after being traumatized should meet with a mental health professional to determine if they have PTSD.

Other symptom categories were also expanded and clarified. To be diagnosed with PTSD, a person must have one or more symptoms from each of the following categories:

  • Intrusive symptoms:flashbacks, nightmares and unwanted memories
  • Avoidance symptoms:avoidance of trauma-related thoughts and reminders
  • Cognitive and mood symptoms:dissociative amnesia and blunted emotions
  • Alterations in arousal and reactivity:hypervigilance and exaggerated startle response

These symptoms must persist for longer than one month and cause significant functional impairment or distress. The updated DSM-5 definition also added a new dissociative subtype of PTSD that features additional dissociative symptoms of depersonalization and derealization.

PTSD Statistics

PTSD is more common than many people realize, with the majority of adults experiencing at least one traumatic event in their lifetime. While many associate PTSD with combat veterans, PTSD can also develop in response to natural disasters, accidents or violent experiences. Some additional facts about PTSD include:

  • Acute stress disorder occurs in19 percentof people exposed to traumatic events.
  • Almost60 percentof people who are raped experience acute stress disorder, while 13 to 21 percent of people who are in a car accident experience the disorder.
  • About80 percentof people with PTSD have a co-occurring psychiatric disorder in their lifetime.
  • Nearly50 percentof people with PTSD have a co-occurring substance use disorder.
  • Major depressive disorder affects30 to 50 percentof people with PTSD.
  • PTSD affects3.5 percentof the adult population in the United States.

PTSD Risk Factors

Not everyone who is exposed to trauma develops PTSD. There are several additional PTSD risk factors, which include:

  • Prior experience of trauma, including a history of childhood abuse
  • Having other mental health conditions prior to trauma exposure
  • Having pre-existing or concurrent substance abuse disorders
  • Lacking sufficient social support or close relationships
  • Having a family history of mental health problems
  • Having significant additional stressors after the trauma, especiallyserious stressorslike job loss, the death of a loved one, dissolution of a close relationship or physical injury

PTSD Treatment

Treatment options for PTSD usually include one or more types of therapy and medication. Eye movement desensitization and reprocessing (EMDR), cognitive processing therapy and prolonged exposure therapy are all therapies for PTSD designed to help individuals process trauma. Antidepressants, while not a cure, can help reduce symptoms of anxiety and depression that often accompany PTSD.

Related Topics:
PTSD self treatment
Is there a cure for PTSD

Post-traumatic stress disorder and addictionare strongly linked. Individuals with PTSD often turn to drug or alcohol to temporarily block unwanted feelings. This can quickly lead to addiction as users become increasingly dependent on the substance for relief.

An accredited rehab center, like The Recovery Village, can help people manage co-occurring substance use disorder and PTSD.Call todayto speak to one of our admissions counselors about our programs.

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Medical Disclaimer

The Recovery Village aims to improve the quality of life for people struggling with substance use or mental health disorder with fact-based content about the nature of behavioral health conditions, treatment options and their related outcomes. We publish material that is researched, cited, edited and reviewed by licensed medical professionals. The information we provide is not intended to be a substitute for professional medical advice, diagnosis or treatment. It should not be used in place of the advice of your physician or other qualified healthcare providers.

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