Horrible flashbacks, ptsd, raped numerous times, past therapist said to masturbate to get over this, can't this, just brings on more flashback & pain?

Would encourage you: to work with a therapist who has expertise in PTSD. Masturbation is not likely to cause healing. However approaches like cognitive processing therapy (a form of cognitive behavioral therapy), Eye movement desensitization and reprocessing (EMDR), psychotherapy or virtual reality exposure therapy may be effective. Be mindful that psychiatric medications are often indication. There is hope with the

Not recommended: I am sorry that you had to endure such trauma. I would agree with Dr. Fowler that psychotherapies like trauma-focused cognitive behavior therapy, EMDR and sleep aid if needed have evidence-based success with PTSD. Hope you feel better.

Also consider EFT: In addition to EMDR (eye movement desensitization reprocessing) you might also explore EFT (emotional freedom technique). I prefer EFT. As the previous doctor recommended, seek a counselor who has expertise in PTSD and treating trauma.