In july my dr put me on low dose of cytomel as some of u know...well by mid aug my energy was great....but at the same time i had been on pain pills since may 24 due to sdinus surgery and then a root canel..i had a history of bad dierehha...it totally stopped and i even became constipated.....i stopped the vicidin sept 2,dierehha hit the very next day>> im wondeing if it stopped it and the energy was more from vividin>than the cytomel?Also ran into a old friend who recently found out her thyroid was low and started her on 100 mcg of synthyroid,isnt that a high dose to be started on,im not sure if its generic or not.I see my dr in 2 days.I sure hope i didnt get addicted to vividin..i took like 2 a day for 3 months..Thanks carol