PTSD: Debriefing can do more harm than good

https://www.theguardian.com/lifeandstyle/2018/jul/23/seven-ways-to-deal-with-post-traumatic-stress-disorder-ptsd

People with mild symptoms of PTSD may get better within a month without treatment. But if the initial response to the trauma is severe, treatment should start sooner rather than later, otherwise it becomes harder to treat. Everyone who has experienced trauma should be given practical support in an empathic manner by health and social care-workers, but offering everyone one-to-one debriefing that focuses on the event isn’t recommended and may do more harm than good.