Here is a link to autoimmune disorders http://www.thyroid-info.com/articles/autoimmune-checklist.htm It sounds like thyroid to me also but there may be some things on this list that you are atributiing to something else but is caused by your thyroid. Best wishes.
Sissie
sounds like your thyroid, i have a underactive thyroid & on medicine
This happened to my daughter, all her tests came back ok but then we discovered a year later that her thyroid was borderline for being overactive and she was left for a year, in the meantime all her symptoms which match yours got steadily worse, she lost weight and was admitted in with a fast heartrate and there it was discovered she had and overactive thyroid which cos was left untreated had turned to hyper, she has had treatment and is on the mend. You have to go back to doctor and ask for the test for the thyroid to be repeated as you have all the symptoms of an overactive thyroid, you havent said if you have been losing weight??? Good luck