At 6 months after enrollment subjects will again be contacted and administered the PCL-C, as well as questions regarding other psychiatric comorbidities, substance use, and involvement in any further episodes of violence. In addition, review of subject medical records over the year since injury will be undertaken to determine if there is any difference in subsequent health-care utilization between those who received hydrocortisone vs placebo and between those who screen positive for PTSD vs those who don't.