PP, TSH is suppressed <0.1 but not hyperthyroid suppressed <0.03. FT4 is mid-range which is typical when taking some T3, and FT3 5.0 is good, not far off the top third of range. I doubt you'll get a dose increase, but I don't see any reason to reduce your dose.
I don't really know enough to advise you on that. I suppose it's partly trial and error to see what will raise your level, theoretically either could work.
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