I wonder if it's possible that the whole family is under stress at the moment? You use the words "desperately" "heavily" "constantly fighting" "carnage". Anyone who's a parent knows about this, but is there anyway that you can all try and cut yourselves a bit of slack? Is there anything you're...
Obviously professional help is good but is there a relative or friend of the family who could treat her to a milkshake and a chat occasionally? Maybe they have a shared interest? Your daughter then has a chance to let go of what's going on in her head. They can make it clear that so long as...