Symptoms For Post Traumatic Stress Disorder . If symptoms disappear after a few weeks, there may be a diagnosis of acute stress disorder. Some of the most common traumatic events that may lead. Post traumatic stress disorder (Olga Green) PTSD can leave you feeling stuck with a constant sense of danger But if you have post-traumatic stress disorder, the symptoms don't decrease. If symptoms disappear after a few weeks, there may be a diagnosis of acute stress disorder. Sections: Symptoms Causes & Diagnosis Treatment Living With & Management Getting Help. Posttraumatic stress disorder (PTSD), once called shell shock or battle fatigue syndrome, is a serious condition that can develop after a person has experienced or witnessed a traumatic or terrifying event in which serious physical harm occurred or was threatened. A quick, easy and confidential way to determine if you may be experiencing PTSD is to take a screening. ...