I am 41 years F, I have a lump on my throat, diagonised for thyroid lump, underwent fine needle tests and doctors said not to worry and had prescribed 100mcg of thyronorm. I had for 4 months my lump size reduced. and then i felt tiresome and uneasiness on having it,Went back to my doctor and he has reduced my dose to 50 mcg, am having it for the past 1 week. now i find a slight increase in lump size. Y is this happening.My sex life is active and is the lump size due to it??