If I was a betting man I'd call it an endocrine disruption first. Establishing the right diagnosis for you, you may do if your lucky, more than likely you'll receive inaccurate kinds and be put on something that harms your endocrine system further but stabilizes you temporarily as well. Try looking up and reading up on the hypothalamus, pituitary and adrenal glands as well as digging further into the functionality of all of them especially thyroid and pituitary amongst others like pancreas, liver, kidneys, pineal, thymus etc, alternatives as well as scientific. When one is affected they usually all are in some small way, heavens that would be crazy...this article may help on Myxedema. And other simple stuff like magnesium and iodine intake helps.