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Post-traumatic stress disorder is a type of anxiety disorder. It can occur after you've seen or experienced a traumatic event that involved the threat of injury or death.
PTSD can occur at any age. It can follow a natural disaster such as a flood or fire, or events such as:
For example, the terrorist attacks of September 11, 2001 may have caused PTSD in some people who were involved, in people who saw the disaster, and in people who lost relatives and friends.
Veterans returning home from a war often have PTSD.
The cause of PTSD is unknown. Psychological, genetic, physical, and social factors are involved. PTSD changes the body's response to stress. It affects the stress hormones and chemicals that carry information between the nerves (neurotransmitters).
It is not known why traumatic events cause PTSD in some people but not others. Having a history of trauma may increase your risk for getting PTSD after a recent traumatic event.
Symptoms of PTSD fall into three main categories:
1. "Reliving" the event, which disturbs day-to-day activity
You might feel guilt about the event (including "survivor guilt"). You might also have some of the following symptoms, which are typical of anxiety, stress, and tension:
There are no tests that can be done to diagnose PTSD. The diagnosis is made based on certain symptoms.
Your doctor may ask for how long you have had symptoms. This will help your doctor know if you have PTSD or a similar condition called Acute Stress Disorder (ASD).
Your doctor may also do mental health exams, physical exams, and blood tests to rule out other illnesses that are similar to PTSD.
Treatment can help prevent PTSD from developing after a trauma. A good social support system may also help protect against PTSD.
If PTSD does occur, a form of treatment called "desensitization" may be used.
Support groups, where people who have had similar experiences share their feelings, may also be helpful.
People with PTSD may also have problems with:
In most cases, these problems should be treated before trying desensitization therapy.
Medicines that act on the nervous system can help reduce anxiety and other symptoms of PTSD. Antidepressants, including selective serotonin reuptake inhibitors (SSRIs), can be effective in treating PTSD. Other anti-anxiety and sleep medicines may also be helpful.
You can get more information about post-traumatic stress disorder from the American Psychiatric Association -- www.psych.org.
You can increase the chance of a good outcome with:
Although traumatic events can cause distress, not all feelings of distress are symptoms of PTSD. Talk about your feelings with friends and relatives. If your symptoms do not improve soon or are making you very upset, contact your doctor.
Seek help right away if:
You can also contact your doctor for help with problems such as repeated upsetting thoughts, irritability, and problems with sleep.
Research into ways to prevent PTSD is ongoing.
Bisson J, Andrew M. Psychological treatment of post-traumatic stress disorder (PTSD). Cochrane Database Syst Rev. 2007;3:CD003388.
Stein DJ, Ipser JC, Seedat S. Pharmacotherapy for post traumatic stress disorder (PTSD). Cochrane Database Syst Rev. 2006, Issue 1. DOI: 10.1002/14651858.CD002795.pub2.