Fear of Low TSH causing osteoporosis

Image based on Figure 4 in this source: Gogakos, A. I., Duncan Bassett, J. H., & Williams, G. R. (2010). Thyroid and bone. Archives of Biochemistry and Biophysics, 503(1), 129–136. https://doi.org/10.1016/j.abb.2010.06.021 Dear Doctors, You may experience this scenario with some of your thyroid patients. Your patient's TSH is near the bottom of reference range, but … Continue reading Fear of Low TSH causing osteoporosis

When is Low TSH not hyperthyroidism?

Q: When is a low TSH not hyperthyroidism? The answer is huge -- in central hypothyroidism, in low T3 syndrome, in the first trimester of pregnancy... AND in cases where thyroid therapy achieves euthyroid status without causing tissue thyrotoxicosis. In many posts on this blog, we've detailed the reasons why TSH is a poor indicator … Continue reading When is Low TSH not hyperthyroidism?

TSH untrustworthy in thyroid therapy

The current model of long term thyroid therapy reduces it to two simple buttons or levers on a machine: Test TSH Dose L-T4 to fix the TSH Wow, the power of science! We've got hypothyroidism fixed! Cured! It appears that doctors enjoy the satisfaction of "normalizing" the TSH hormone secretion by the L-T4 dose. It's like … Continue reading TSH untrustworthy in thyroid therapy