You've written about these traumatic memories coming to the surface while under additional stress. this is very common when someone has had traumatic experiences. Our psychological defenses often keep the traumatic material suppressed. When our defenses are tiring or wearing thin, these memories tend to surface.
Is it possible to see a therapist?
I also want to welcome you to PC.

I hope you find the information and the support you may be seeking.
Please make yourself at home here.
I hope to see you around the forums.
Keep reaching out. Keep yourself safe, especially during traumatic flashbacks.

WC