Sometimes insomnia happens with too high a dosage of thyroid meds. What is your TSH and what is the level of your synthroid?
They say there is a possibility it'll shrink, but on the other hand, Dr. Lupo on our expert forum said that new guidelines don't show marked improvement, but I'm only a patient like you and not a doc so do ask your own doc.
C~
im not takin synthroid, it made me terrible sick, even after along time, and my tsh was 32? like late last year, when i take synthroid i get heart palpitations, and night sweats also