Keep an eye on your thyroid levels too. I was having terrible muscle twitches for a while, this winter. When my last tests showed high T4... we decided to 1/2 the thyroid... no effect. Still twitching and racing heart at night...so I went off completely...for 3 months, and was retested. Much better. So staying off for 6months and having another retest.
I had a long term twitch in my left lower leg for many months. And now it is gone completely. So I do think elevated thyroid hormone levels may be a culprit too.
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Weezie looking at petunias 8.25.2017
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