Sounds like the T4, which is what Synthroid is, is converting to too much Reverse T3, which can be from having high cortisol. And if your cortisol is too high, you are on your way to having adrenal fatigue, which a LOT of T4-only users eventually get since it's a lousy medication. I highly recommend you start reading this site: www.stopthethyroidmadness.com It's why I got OFF Synthroid and onto Armour.
It's 3 am and I am right there with ya. I was on 50 mcg and just increased to 75 mcg and can't sleep a wink. I AM going to be complaining to doc ASAP. What's better? Good thyroid levels or good sleep (as I can feel a cold coming on because of the lack there of)...
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