Plathinator,
I would get acute lower back pain lasting for several days after taking lugols. Not much lugols, just a few drops of 2%.
It was pain in core muscles, locking me and preventing to stand and walk straight for days.
I was walking like an old man.
I got the same pain several times until I was 100% sure it was caused by lugols.
I was not really using lugols every day, only occasionally, like every 3-7 days, one or a few drops.
I had to stop using lugols, and my back pain have never re-appeared.
I eat fish and other sea food at least 2 times per week, and consider that ...
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