Hello Abeelo: I went back & read your introductory post. Since you indicate you've been diagnosed with PTSD, I presume you're seeing a therapist? Really... with all you have struggled through in your young life, having someone to talk all of this through with is going to be vital. Friends & family cannot do this for you. It requires the guidance of a skilled therapist.

I hope you are seeing a therapist or counselor on a regular, ongoing basis. If not, try to figure out some way of doing so as soon as possible... even if realistically that time is a few years away yet. Allowing all of this to continue to ruminate through your thoughts is a prescription for ongoing unhappiness & continued flashbacks. Posting here on PsychCentral can help. And I'd like to encourage you to keep posting. But it is not a substitute for real life mental health services.

I also struggle with a lot of flashbacks. My answer to it is to employ a Buddhist practice called "compassionate abiding". (I won't go into the details. You can search the term on the internet should you have an interest. I doubt it's quite what you're looking for at this point in your life.)

Are you familiar with California therapist Kati Morton? Kati uploads mental health related videos onto her YouTube channel. She's also on Facebook, Twitter, & other social media. I would presume she's done some videos where she's talked about how to handle flashbacks. Kati is wonderful & I think you might find watching her videos to be of help. (She also answers viewers' questions!)

I wish you well...