I have been takin
50mcg for about 8 months now. However, for the last month I have been experiencin
g really bad headaches, have lost 10lbs, very fast heart rate, shortness of breath, very lightheaded (feel very spacy or like I am floatin
g), bouts of nausea and just a general ill feelin
g. Could these be signs of hyperthyroid
ism or is this do
se to high for me now?