Re: TSH went from 3 to 2? Test Results Help!
Minor TSH fluctuations are insignificant. It could be 3 in the morning and 2 by afternoon. It's the overriding pattern of it being near 3 consistently that's meaningful.
FTs can also fluctuate a bit. But again... It's the consistency of them being at the bottoms of their ranges that points to the abnormality of it all.
Think of it this way... The ranges for the FTs are based on testing of the so-called healthy population. Those at both ends of the spectrum are in the great minority. About 5% or less of them will feel well with FT4 as low as yours. The vast majority of people need FT4 at the height of the bell curve in the middle range - about 1.4 or 1.5 on that range. It's highly unlikely, even if that .8 is within range, that it's your "normal".
Almost everyone to a person who gets a hypothyroid diagnosis has FT4 within range - just barely within range like yours. My own TSH was 6.98 and FT4 was .8 when I began treatment. In my time on this board (10 years now), I can count on two hands the number of people whose TSH was below lab range when they started treatment.
Furthermore, TSH has so little to do with FT4 level that the test should really be abandoned. I've seen people with TSH of 1 and FT4 of .8, and I've seen people with TSH exceeding 20 with FT4 of .8. They are hypothyroid just the same, because the definition of "hypothyroidism" is not "high TSH" (which is not a thyroid hormone at all, but a pituitary one ) ... It's low thyroid hormone levels.
I hope that clarifies things a bit in your mind and makes you more determined to find treatment somewhere.
"We can complain because rose bushes have thorns, or rejoice because thorn bushes have roses." Abraham Lincoln