Objectives and scope of the document This document was developed to provide recommended management strategies for problems and disorders that are specifically related to the occurrence of a major stressful event. The recommended strategies will form the basis of a new module to be added to the WHO (2010) mhGAP Intervention Guide for use in non-specialized specialized health-care settings. The scope of the problems covered by these guidelines is: symptoms of acute stress in the first month after a potentially traumatic event, with the following subtypes: - symptoms of acute traumatic stress (intrusion, avoidance and hyperarousal) in the first month after a potentially traumatic event; - symptoms of dissociative (conversion) disorders in the first month after a potentially traumatic event; - non-organic (secondary) enuresis in the first month after a potentially traumatic event (in children); - hyperventilation in the first month after a potentially traumatic event; - insomnia in the first month after a potentially traumatic event; posttraumatic stress disorder (PTSD); bereavement in the absence of a mental disorder.