^ I think I would agree with what Sarah said, best person to ask is your psychologist, though. It would make a lot of sense to do it that way, I think, because you could be medically and psychologically treated at the same time for what is a chronic illness.
What do you think, Helen? Which direction would you like your treatment to go in? xxx
Edit, I'm not sure if you're still interested in in-patient ED treatment, but the
Yorkshire Centre for Eating Disorders says in its brochure (pdf) that they treat severe bulimia, I'm not sure if their IP service does that, but it might be worth finding out.