It is suspected that the prevalence of acute stress disorder is underestimated because "individuals may not seek treatment within the thirty-day period that defines it."
Acute stress disorder (ASD) is an intense and unpleasant reaction that develops in the weeks following a traumatic event. Symptoms generally last for one month or less. If symptoms exists beyond one month, affected individuals are considered to have posttraumatic stress disorder (PTSD).
ASD's symptoms are anxiety, low mood, irritation, emotional ups and downs, poor sleep, poor concentration, wanting to be alone. Nightmares or flashbacks, which can be unpleasant. It is important to diagnose ASD just after a traumatic event or having symptoms because it may grow to PTSD if it is not diagnosed.
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