Maybe you could try an anti-d that is not in the same class- SSRIs- as Zoloft. I'm on a tricyclic that's called clomipramine (generic for Anafranil), which works quite well and actually began working for me less than 48 hours after my first dose. It also has some mood stabilizing qualities, good for my bipolar. As far as the PTSD and anxiety, you could use some sort of benzodiazipine for that... also maybe keep in psychotherapy (especially for the PTSD).
Kristina :wave: