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What is post-traumatic stress disorder, or PTSD?
Some people develop post-traumatic stress disorder (PTSD) after experiencing a shocking, scary, or dangerous event.
It is natural to feel afraid during and after a traumatic situation. Fear is a part of the body’s normal “fight-or-flight” response, which helps us avoid or respond to potential danger. People may experience a range of reactions after trauma, and most will recover from their symptoms over time. Those who continue to experience symptoms may be diagnosed with PTSD.
Who develops PTSD?
Anyone can develop PTSD at any age. This includes combat veterans as well as people who have experienced or witnessed a physical or sexual assault, abuse, an accident, a disaster, a terror attack, or other serious events. People who have PTSD may feel stressed or frightened, even when they are no longer in danger.
Not everyone with PTSD has been through a dangerous event. In some cases, learning that a relative or close friend experienced trauma can cause PTSD.
According to the National Center for PTSD, a program of the U.S. Department of Veterans Affairs, about seven or eight of every 100 people will experience PTSD in their lifetime. Women are more likely than men to develop PTSD. Certain aspects of the traumatic event and some biological factors (such as genes) may make some people more likely to develop PTSD.
What are the symptoms of PTSD?
Symptoms of PTSD usually begin within 3 months of the traumatic incident, but they sometimes emerge later. To meet the criteria for PTSD, symptoms must last longer than 1 month, and they must be severe enough to interfere with aspects of daily life, such as relationships or work. The symptoms also must be unrelated to medication, substance use, or other illness.
The course of the illness varies: Although some people recover within 6 months, others have symptoms that last for a year or longer. People with PTSD often have co-occurring conditions, such as depression, substance use, or one or more anxiety disorders.
After a dangerous event, it is natural to have some symptoms or even to feel detached from the experience, as though you are observing things rather than experiencing them. A health care provider—such as a psychiatrist, psychologist, or clinical social worker—who has experience helping people with mental illnesses can determine whether symptoms meet the criteria for PTSD.
To be diagnosed with PTSD, an adult must have all of the following for at least 1 month:
Thoughts and feelings can trigger these symptoms, as can words, objects, or situations that are reminders of the event.
Avoidance symptoms may cause people to change their routines. For example, after a serious car accident, a person may avoid driving or riding in a car.
Arousal and reactivity symptoms
Arousal symptoms are often present—they can lead to feelings of stress and anger and may interfere with parts of daily life, such as sleeping, eating, or concentrating.
Cognition and mood symptoms
Cognition and mood symptoms can begin or worsen after the traumatic event and can lead a person to feel detached from friends or family members.
How do children and teens react to trauma?
Children and teens can have extreme reactions to trauma, but their symptoms may not be the same as those seen in adults. In young children under the age of 6, symptoms can include:
Older children and teens usually show symptoms more like those seen in adults. They also may develop disruptive, disrespectful, or destructive behaviors. Older children and teens may feel guilty for not preventing injury or deaths. They also may have thoughts of revenge.
For more information, see the National Institute of Mental Health (NIMH) brochure, Helping Children and Adolescents Cope With Disasters and Other Traumatic Events.
Why do some people develop PTSD and other people do not?
Not everyone who lives through a dangerous event develops PTSD—many factors play a part. Some of these factors are present before the trauma; others become important during and after a traumatic event.
Risk factors that may increase the likelihood of developing of PTSD include:
Resilience factors that may reduce the likelihood of developing PTSD include:
How is PTSD treated?
It is important for anyone with PTSD symptoms to work with a mental health professional who has experience treating PTSD. The main treatments are psychotherapy, medications, or both. An experienced mental health professional can help people find the treatment plan that meets their symptoms and needs.
Some people with PTSD may be living through an ongoing trauma, such as being in an abusive relationship. In these cases, treatment is usually most effective when it addresses both the traumatic situation and the symptoms. People who have PTSD or who are exposed to trauma also may experience panic disorder, depression, substance use, or suicidal thoughts. Treatment for these conditions can help with recovery after trauma. Research shows that support from family and friends also can be an important part of recovery.
For tips to help prepare and guide you on how to talk to your health care provider about your mental health and get the most out of your visit, read NIMH’s fact sheet, Taking Control of Your Mental Health: Tips for Talking With Your Health Care Provider.
Psychotherapy, sometimes called “talk therapy,” includes a variety of treatment techniques that mental health professionals use to help people identify and change troubling emotions, thoughts, and behaviors. Psychotherapy can provide support, education, and guidance to people with PTSD and their families. This type of treatment can occur one on one or in a group and usually lasts 6 to 12 weeks but can last longer.
Some types of psychotherapy target PTSD symptoms, and others focus on social, family, or job-related problems. Effective psychotherapies tend to emphasize a few key components, including learning skills to help identify triggers and manage symptoms.
One common type of psychotherapy, called cognitive behavioral therapy, can include exposure therapy and cognitive restructuring.
You can learn more about different types of psychotherapy on the NIMH website.
The most studied type of medication for treating PTSD is a type of antidepressant medication called selective serotonin reuptake inhibitors (SSRIs). SSRIs may help control PTSD symptoms such as sadness, worry, anger, and feeling emotionally numb. SSRIs and other medications may be prescribed along with psychotherapy. Other medications may help address specific PTSD symptoms, such as sleep problems and nightmares.
Health care providers and patients can work together to find the best medication or combination of medications, as well as the right dose. Check the U.S. Food and Drug Administration website for the latest information on patient medication guides, warnings, or newly approved medications.
How can I find help?
The Substance Abuse and Mental Health Services Administration (SAMHSA) provides the Behavioral Health Treatment Services Locator, an online tool for finding mental health services and treatment programs in your state. For additional resources, visit NIMH's Help for Mental Illnesses webpage.
If you or someone you know is in immediate distress or is thinking about hurting themselves, call the National Suicide Prevention Lifeline toll-free at 1-800-273-TALK (8255) or the toll-free TTY number at 1-800-799-4TTY (4889). You also can text the Crisis Text Line (HELLO to 741741).
What can I do to help myself?
It is important to know that, although it may take some time, you can get better with treatment. Here are some things you can do to help yourself:
How can I help a friend or relative who has PTSD?
If you know someone who may be experiencing PTSD, the most important thing you can do is to help that person get the right diagnosis and treatment. Some people may need help making an appointment with their health care provider; others may benefit from having someone accompany them to their health care visits.
If a close friend or relative is diagnosed with PTSD, you can encourage them to follow their treatment plan. If their symptoms do not get better after 6 to 8 weeks, you can encourage them to talk to their health care provider. You also can:
Where can I find more information on PTSD?
The National Center for PTSD, a program of the U.S. Department of Veterans Affairs, is the leading federal center for research and education on PTSD and traumatic stress. You can find information about PTSD, treatment options, and getting help, as well as additional resources for families, friends, and providers.
What should I know about participating in clinical research?
Clinical trials are research studies that look at new ways to prevent, detect, or treat diseases and conditions. Although individuals may benefit from being part of a clinical trial, participants should be aware that the primary purpose of a clinical trial is to gain new scientific knowledge so that others may be better helped in the future.
Researchers at NIMH and around the country conduct many studies with patients and healthy volunteers. Talk to your health care provider about clinical trials, their benefits and risks, and whether one is right for you. For more information, visit NIMH's clinical trials webpage.
For More Information
U.S. Department of Health and Human Services
National Institutes of Health
NIH Publication No. 20-MH-8124
This information was developed by The National Institute of Mental Health.
The National Institute of Mental Health. Post Traumatic Stress Disorder Research Fact Sheet. Available at: https://www.nimh.nih.gov/health/publications/post-traumatic-stress-disorder-ptsd/index.shtml. Accessed July 22, 2020.
The information in this document is for general educational purposes only. It is not intended to substitute for personalized professional advice. Although the information was obtained from sources believed to be reliable, MedLink, its representatives, and the providers of the information do not guarantee its accuracy and disclaim responsibility for adverse consequences resulting from its use. For further information, consult a physician and the organization referred to herein.