Do everything possible to avoid environments or situations that are thought to cause flashbacks or unpleasant memories. Lasting personality changes after catastrophic events (EPCACE). To receive a diagnosis of EPCACE, a person needs to have a personality change that lasts 2 years after a trauma. The World Health Organization no longer recognizes EPCACE, which instead uses complex PTSD.
Some mental health professionals prefer the EPCACE and are still using it.