Is it possible to get PTSD from something I can t remember? I suffered a childhood trauma when I was very very young and I can only remember small fragments. I don t know what happened, nor when it happened, but I know something did. I ve grown up with severe and disabling psychological illnesses (OCD, anorexia, depression, etc.) and I also get triggered. The other day I watched a movie with a child abuse scene and I have been depersonalizing ever since.