I was diagnosed when i was 25 with papillary thyroid carcinoma. Since then, my weight gain has been excessive. I'm on 212mcg synthroid and in the past year my doctor has bumped me up as high as 250mcg and as low as 175mcg. it's on the upward slope again. My TSH level back in January was .0125. (Have not gotten levels checked since due to in and out deployments.) So the doc had increased me from 200 mcg to 212. I'm beyond exhausted... i could sleep 20 hours out of the day, chest pains constantly that drop me to my knees, my hair is falling out in large amounts again, my skin feels like there is bugs crawling on me, i'm extremely depressed. my weight is up to 174 which is really bad because according to navy standards (US) for my height i can't be more than 157. I have tried everything to lose weight. i eat vegetarian, low carbs, exercise everyday for 1.5-2 hours. what am i doing wrong? I don't want to lose my career because i'm too fat!!!