Hi I am a thyroid patient since last 14 years my Thyroid is a little dis balance right now. I am taking 100 mg which has gone down from 150 to 125 and now 100 mg. I have been having chest pains from 2014 the best i can remember and now recently it started again. My pain start in middle of the chest like somebody is squeezing its kind of tightness pain. After this now pain has move to left side with stabbing pain. Can you please help.me understand what could be the problem?