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THS levels drop

My THS levels have never been below 4.5 (generally around 5 and this has been for years), and in February it was at 4.8 then 6 months later it was at .6, I haven't had any medication changes or anything. I'm just curious if this is something that could happen fairly easily/commonly and what could have made that happen? I've been having a number of other health problems and my doc is being difficult in helping me figure out what is going on so any information would be greatly appreciated.
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Avatar universal
thank you very much, it seemed so out of the blue, I think I will as to have t3/t4 tested, I didn't know tsh levels fluctuated so much! and merry christmas to you too
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Avatar universal
The .6 could have been a fluke or lab error.

It is not unusual for hypers to be hypo first or hypos to be hypo first.

T.S.H. levels fluctuate according to season, health status, diet/nutrition, higher elevation change, ocean, big boulders, time of day and activity level.
Several studies indicate that 20 percent to 30 percent of those with mildly elevated T.S.H. revert to normal within months.

With all these facts taken into consideration,  I would do another test in 4 to 6 weeks to see if the .6 repeats or close to it.  Also would do FT-4 and FT-3 which go further into the thyroid status.

Good Luck and have a very Merry Christmas!
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