I am properly treated for hypothyroidism for several years now. Before that I was a neglected case for years. Anyway, although I feel so much better now I still have severe myxedema and water retention. I am self medicating but recently went to a private doctor who thinks that my swelling is not thyroid related but has something to do with antidiuretic hormone ( ADH or vasopressin) which is secreted from pituitary gland. I did blood and urine osmolality test and they are showing that he might be right. Now I am waiting to get my results on ADH. He thinks that I have a problem beyond all other problems - something that caused them all. I am wondering can this just be a result of my hypothyroidism that was not treated for years or he is right and there is something above that all? Thanks.