You know how you feel, and you don't feel well. Just because tests haven't shown anything yet (at least as far as you've been told) doesn't mean that there's nothing wrong. I was sick for nearly 3 years before I was diagnosed with MS, and I had seen many different specialists and had many different tests duirng that time. My T and one of my docs kept encouraging me to trust that I knew what my body was saying, regardless of whether or not the docs or the tests were giving any answers. I hope you get some answers soon.