Why T4 monotherapy has dominated

All thyroid hormone medications have the potential to be effective: L-T4 (Levothyroxine), L-T3 (Liothyronine), and natural desiccated thyroid (DTE / NDT). However, each patient is unique in their response to these medications. Optimizing a patient's lifelong therapy involves finding the right thyroid hormone medication, or a combination of them, to relieve as many symptoms of …

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Renew the paradigm of thyroid therapy

The TSH-centered paradigm is like the old Ptolemaic or Geocentric model of the universe that put Earth at the center. Science has already corrected that incorrect model of the universe. Likewise, science has already given us enough evidence that the TSH-centric model is incorrect. The correct model puts the T3 thyroid hormone at the center of …

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Why has TSH testing replaced thyroid hormone testing?

For two related reasons: Because it is mistakenly believed that oral doses of thyroid hormone can sufficiently replace the natural secretion of living thyroid gland tissue. It is mistakenly believed that adjusting TSH secretion within the statistical "normal" range will create and/or signify thyroid hormone health in an individual treated thyroid patient. The problem is... …

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Say no to “Choosing Wisely Canada”

In Canada, the "Choosing Wisely Canada" campaign, together with the Canadian Society for Endocrinology and Metabolism, wants to declare Free T3 and Free T4 testing "unnecessary" in monitoring thyroid therapy. See the list of thyroid tests Choosing Wisely Canada claims are unnecessary within the field of Endocrinology and Metabolism This harmful policy is also on …

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