I have the same diagnoses. I use sound reduction earmuffs and guided meditation on my iPod. I also wrap an ace bandage rather tightly around my waste before I go out (yay for improvising!!). It makes me a little spacey, but in a good way, because it relaxes me a lot and I can wear it unnoticed under my clothes. A tight hat could help too. Also, taking better care of your other senses may help reduce your sound sensitivity a little bit. You could try wearing sunglasses or something (you wouldn't have to worry about looking people in the eye!). And you could try coping statements for the anxiety. I tell myself that I'm safe and in control and that no one can hurt me and that no one wants to hurt me. It's too bad you can't take ADHD meds. I wouldn't be able to survive without my Ritalin!