Has your child ever had blood testing done? U Know, to rule out any other issues with her organs, blood counts, etc? There has to be a reason for her to be getting so sick all the time. If there has been no blood work done, maybe there should be. If you're not satisfied with your doctors now, get a second opinion, it's YOUR RIGHT!!!!
I would seek out a doctor that can see you sooner if possible. I'm not sure what the healthcare system is like there (like if you have Nationalized Healthcare or not) but if you have any choice, I would get her in to see someone (even if it's in another office) sooner. I'll keep you in my prayers :)