Welcome to our forum and sorry to hear you are not feeling well.
Your T4 is over range and T3 near the top. TSH is suppressed and RT3 is very elevated indicating your dose is too high and thyroid meds are not working for you. Is your GP prescribing this dose ? ?..
Have you been checked for both TPOAb & TGAb as either can indicate Hashimotos ?
Have you had Vit B12, Vit D, folate and ferritin tested recently ? / ... Deficiencies are common in people with low thyroid hormone and are the very nutrients required for good thyroid hormone synthesis. Post any nutrient//iron test results complete with ranges, for members to comment.
Can you post Vit D result for members to comment ? ? .. A doctors "normal" is not the same as a level that members have found to be beneficial to thyroid health.
Ask your GP to test the other nutrients and again post results.
I would guess you would feel a lot better medicating Levothyroxine with a little T3 added. This would allow you to reduce your high Levothyroxine dose whilst keeping the good T3 level. It is the T3 that gives wellbeing and so alleviates symptoms.
Unfortunately most doctors/endos don't like ( or aren't allowed) to prescribe T3 as although research is proving a subset of us need added T3 to function well, it remains controversial but you could ask endo about it.
Because your dose of T4 needs to be so high to achieve the required T3 levels, you are converting the excess T4 to too much RT3, which is cancelling out any benefits gained.
Having iron, Vit B12 and folate tested so allowing supplementation if required, will help thyroid meds to work better.
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