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  5. What causes TSH levels to spike rapidly (from 0.01 to 80) after temporarily discontinuing thyroid medication, and why might they remain highly elevated (between 99 and 120) just 10 to 12 days after restarting Thyronorm 100 mcg?

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What causes TSH levels to spike rapidly (from 0.01 to 80) after temporarily discontinuing thyroid medication, and why might they remain highly elevated (between 99 and 120) just 10 to 12 days after restarting Thyronorm 100 mcg?

Asked by Male, 40 · 10 days ago

When you stopped your Thyronorm (levothyroxine), your body suddenly lacked thyroid hormone, prompting your pituitary gland to produce a massive amount of TSH to try to kickstart it. After restarting your 100 mcg dose, it is completely normal for TSH to remain high at 10 to 12 days. Levothyroxine builds up very slowly in the body, and it typically takes 4 to 6 weeks of consistent daily use for your hormone levels to stabilize and for your TSH to safely come back down. Please continue taking your medication exactly as prescribed, and your doctor will likely recheck your levels soon.
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What causes TSH levels to spike rapidly (from 0.01 to 80) after temporarily discontinuing thyroid medication, and why might they remain highly elevated (between 99 and 120) just 10 to 12 days after restarting Thyronorm 100 mcg?

Answered 10 days ago

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