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  2. Common thyroid drug levothyroxine linked to bone mass loss - AOL

    www.aol.com/common-thyroid-drug-levothyroxine...

    Commonly prescribed thyroid drug levothyroxine was linked with bone mass and bone density loss in a cohort of older adults in a recent study. ... People with high TSH and low T4 get a diagnosis of ...

  3. Thyroid hormone resistance - Wikipedia

    en.wikipedia.org/wiki/Thyroid_hormone_resistance

    The syndrome can present with variable symptoms, even between members of the same family harboring the same mutation. [1] Typically most or all tissues are resistant to thyroid hormone, so despite raised measures of serum thyroid hormone the individual may appear euthyroid (have no symptoms of over- or underactivity of the thyroid gland).

  4. Euthyroid sick syndrome - Wikipedia

    en.wikipedia.org/wiki/Euthyroid_sick_syndrome

    Stress suppresses TSH, [5] and alterations in thyroid hormone levels may arise in psychiatric illness. In major depressive disorder, an NTIS-like phenotype may be observed, with reduced T3 and increased rT3. T4 may be elevated, and TSH is usually normal, although TSH's normal circadian rhythm may be disrupted. [2]

  5. Hypothyroidism - Wikipedia

    en.wikipedia.org/wiki/Hypothyroidism

    In people with central/secondary hypothyroidism, TSH is not a reliable marker of hormone replacement and decisions are based mainly on the free T 4 level. [8] [10] Levothyroxine is best taken 30–60 minutes before breakfast, or four hours after food, [8] as certain substances such as food and calcium can inhibit the absorption of levothyroxine ...

  6. Thyroid-stimulating hormone - Wikipedia

    en.wikipedia.org/wiki/Thyroid-stimulating_hormone

    Thyroid-stimulating hormone (also known as thyrotropin, thyrotropic hormone, or abbreviated TSH) is a pituitary hormone that stimulates the thyroid gland to produce thyroxine (T 4), and then triiodothyronine (T 3) which stimulates the metabolism of almost every tissue in the body. [1]

  7. Hashimoto's thyroiditis - Wikipedia

    en.wikipedia.org/wiki/Hashimoto's_thyroiditis

    Levothyroxine dosing to normalise TSH is based on the amount of residual endogenous thyroid function and the patient’s weight, particularly lean body mass. [15] The dose can be adjusted based upon each patient, for example, the dose may be lowered for elderly patients or patients with certain cardiac conditions, but should be increased in ...

  8. Hyperthyroidism - Wikipedia

    en.wikipedia.org/wiki/Hyperthyroidism

    The diagnosis of hyperthyroidism is confirmed by blood tests that show a decreased thyroid-stimulating hormone (TSH) level and elevated T 4 and T 3 levels. TSH is a hormone made by the pituitary gland in the brain that tells the thyroid gland how much hormone to make. When there is too much thyroid hormone, the TSH will be low.

  9. Thyroid dyshormonogenesis - Wikipedia

    en.wikipedia.org/wiki/Thyroid_dyshormonogenesis

    Levothyroxine is the treatment of choice (starting dose 10-15 mcg/kg/day), with the immediate goal of raising the serum T4 level above 130 nmol/L (10 ug/dL) as quickly as possible; with these doses, serum TSH usually normalizes within 2-4 weeks. Frequent laboratory monitoring in infancy is essential to make sure of optimal neurocognitive outcome.

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