I often feel hot wearing short-sleeves, when others around me are wearing sweaters or sweatshirts. My fingers and feet sometimes swell, and I sweat more than most people. I had a thyroids to you at age 20 and have been on Synthroid ever since, with hardly any change in doseage and normal results from THS testing yearly. I used to be more cold than hot, my fingertips even turned white in Winter...