Hi. I'd greatly appreciate some advice. Does anyone have experience of still getting joint pain and fatigue when you're T3 is high-normal but T4 is the bottom of the normal range?
I'm on 3 grain of Armour Thyroid with vitamin and folic acid suppliments to keep everything mid to high normal. Experimentation with T3 has pretty much ruled out thyroid hormone resistance.
I'm confused because I was on T4 only for years until I developed the symptoms then switched to Armour two years ago and got much better sleep but still joint pain and fatigue.
I would have thought T4 would only be useful for producing reverse T3 when I'm well medicated for T3 and my rT3 levels are low-normal.
Is there any real chance that supplimenting my T4 to the mid-normal range would help with the symptoms in any way? If not, I may need to look beyond my thyroid for causes.