Post-traumatic stress syndrome
| Posttraumatic stress disorder | |
|---|---|
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| Art therapy project created by a U.S. Marine with posttraumatic stress disorder | |
| Classification and external resources | |
| Specialty | Psychiatry |
| ICD-10 | F43.1 |
| ICD-9-CM | 309.81 |
| DiseasesDB | 33846 |
| MedlinePlus | 000925 |
| eMedicine | med/1900 |
| Patient UK | Posttraumatic stress disorder |
| MeSH | D013313 |
Posttraumatic stress disorder (PTSD) is a mental disorder that can develop after a person is exposed to a traumatic event, such as sexual assault, warfare, traffic collisions, or other threats on a person's life. Symptoms may include disturbing thoughts, feelings, or dreams related to the events, mental or physical distress to trauma-related cues, attempts to avoid trauma-related cues, alterations in how a person thinks and feels, and an increase in the fight-or-flight response. These symptoms last for more than a month after the event. Young children are less likely to show distress but instead may express their memories through play. Those with PTSD are at a higher risk of suicide.
Most people who have experienced a traumatic event will not develop PTSD. People who experience interpersonal trauma (for example rape or child abuse) are more likely to develop PTSD, as compared to people who experience non-assault based trauma such as accidents and natural disasters. About half of people develop PTSD following rape. Children are less likely than adults to develop PTSD after trauma, especially if they are under ten years of age. Diagnosis is based on the presence of specific symptoms following a traumatic event.
Prevention may be possible when therapy is targeted at those with early symptoms but is not effective when carried out among all people following trauma. The main treatments for people with PTSD are counselling and medication. A number of different types of therapy may be useful. This may occur one-on-one or in a group.Antidepressants of the selective serotonin reuptake inhibitor type are the first-line medications for PTSD and result in benefit in about half of people. These benefits are less than those seen with therapy. It is unclear if using medications and therapy together has greater benefit. Other medications do not have enough evidence to support their use and in the case of benzodiazepines may worsen outcomes.
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