Doctor insights on:
Causes Of False Tsh Levels
Error in testing: It is possible that one of the test results is in error. It would be prudent to discuss it with the doctor who ordered the tests. ...Read more
Not much: Any lab can have a temporary problems doing any test accurately. That is why an abnormal level should always be repeated to verify it. There are temporary causes for high TSH (resolving subacute thyroiditis), so that a 2nd TSH level done a few weeks after an abnormal one, could be normal. Subclinical hypothyroidism will have a high TSH with other thyroid levels normal, no symptoms. ...Read more
Thyroid inflammation: Can cause variable TSH results. Tsh tests are very sensitive but often not real reproducible. Levels vary by time of day. Tsh is secreted in spurts and may vary depending upon when it's drawn. Plus some labs are better and more reliable than others. ...Read more
What could cause a TSH to drop from 25 to 3.1 in less than 2 weeks. Doctors retested after worsening symptoms. Can TSH levels fluctuate that much?
Unlikely but...: Rhodiola is known to improve thyroid function and thus might be expected to reduce TSH levels somewhat (though more research on this is needed). However, a low TSH tends to be a sign of hyperthyroidism and, as far as i know, rhodiola is not known to stimulate the thyroid to the point of hyperthyroidism. ...Read moreSee 1 more doctor answer
I am on 50mcg of levoxythyrine and my TSH level went from 1.28 to 3.40 in 4 months. What would cause this change ? It is usually around 1.2-1.4.
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