I agree with the mother who suggested you see a natureopathic/holistic/Integration/Function medicine doctor. I am 40 and have suffered from chronic conditions my entire life. In Feb this year, I became extremely sick. My conventional doctor (I'd been seeing him for 10 years) had no idea what was wrong and "kicked" me out of the clinic. I found myself a new PCP doctor/clinic, and then took it upon myself to find a different type of doctor, in hopes someone could finally help me see the light at the end of the tunnel.
If you live in WI and are near Madison, I see Dr. A. Stanger. The reason I go to her is because first, she is a medical doctor (MD) and second, she is a natureopathic doctor (ND) specializing in Integration/function medicine. I was diagnosed with heavy metal poisoning (lead, mercury, barium, thallium, platinum, niobium, arsenic; halfway to being poisoned in antimony, aluminum, and rubidium). I also had a genetics test taken (CYP2C9 alleles), which confirmed that my body is a poor metabolizer and is unable to detoxify itself of heavy metals (this also includes over-the-counter medicines and prescription medicines as well as pest/herb, etc.). It is known that 35% of the Caucausian population does not have the CYP2C9*1 alleles needed for their body to protect itself against these contaminants. Even young children can be affected; in fact, I just had my daughter tested, as Dr. Stanger suspects that her medical problems are also from metal poisoning.
If your daughter is that sick and nothing the conventional doctors are telling you is working, I would definitely recommend seeing a different "type" of doctor. I am currently detoxing and am slowly beginning to feel like myself again (detoxing could take 3 years or longer, given my age and how many metals I have in my body). Yes, you'll have to pay to see her and take the tests yourself, and it does get expensive, but most Flex Plans have something called "Medical Preventative;" this is where you would put any "alternative medicine" billings. I used it for massage therapy, and they covered. Also, I found a very understanding woman Internist, from whom I received a recommendation on Dr. Stanger, and she is working with me and Dr. Stanger on trying to "cover" or "facilitate" as many lab tests as possible through her clinic/my insurance company. That was how I managed to afford having the genetics genotype test done (that one costs $500-$600).
It is very frustrating when a person is sick and "no one" can figure out what's wrong. The first appointment when I saw Dr. Stanger she told me to take a heavy metals test; Bingo! That was the problem. Interesting, isn't it, that she knew the problem in the first visit?
Please keep us informed as to how your daughter is doing. I feel for any child who suffers from something and "the doctors" have no idea what it is -- nor are many of them overeager to find out "what" the problem/cause is.
My prayers are with you and your family.