Apparently the formulation of Eltroxin has been changed and is causing these side effects.
More can be read here:
Have your pills changed from yellow ones to white ones? If so, then you are on the new formulation which is causing massive problems for many people. There is information in this site: http://thyroid.about.com/b/2008/06/11/whats-happening-to-thyroid-patients-taking-eltroxin-brand-levothyroxine-in-new-zealand.htm
short term memory loss short term memory mail id hair fall tiredness fatigue six months thyroid patients eltroxin levothyroxine thyroid new zealand massive problems pills