My medical issues have been spiraling out of control since mid June 2019. It started with constipation, abdominal pain, acid reflux, and nausea, but soon I also began to have facial flushing, heart palpitations, trouble breathing (along with tightening in my chest), and body aches. Since then I've been diagnosed with Hashimotos, however, my TSH levels are not high enough so the endocrinologist is refusing to put me on medication. My doctors suspected a carcinoid tumor and actually found one in my appendix, which I had removed in January. But even after the tumor was removed, all of my symptoms remained the same, so they recently conducted a gallium-68 PET scan to check for other tumors and metastases. The scan didn't show anything and now I'm back at square one. Any ideas on what all of my symptoms add up to?