i dont know what kind of t3 you used buddy but it sounds more like you health problem to begin with,,
dim dim dim dim dim dim dim dim should ring in your head from day to night and to the next day go to doc and tell him what you felt and where and check it out because those signs are signs of heart attack and or stroke in the making,,or atleast potential for one,,when left side hurt severely for couple days to a point of not being able to function right,,sharp short/long pains repetevly occuring,,its time to go to doc and make sure everything is ok,,this is when hormones come second to health,,those early signs,,you just described them
i dont know even one single person who ever EVER had even one single problem with cytomel/t3 at 25-150mcg a day,,higher doses i know couple pros and one australian amatuer who just got flat and lost some size and placed bad because all their prep was fucked up to begin with,,they had 8 week to prep insted of 16-20 thus were pressured to use high dose on the t3 but held too much bodyfat to begin with