Thyroid hormone replacement--one hormone or two?

Article Abstract:

Not every patient with hypothyroidism should take both thyroxine and triiodothyronine. These are the two principle hormones produced by the thyroid gland and patients with hypothyroidism produce very low amounts. For this reason, they must take thyroid hormones. Most patients take only thyroxine, but many claim the usual dose does not help them. They claim they feel better when higher doses are used. A 1999 study showed that patients who took both hormones felt better than patients who took higher doses of thryoxine alone. However, triiodothyronine can adversely affect the heart and many patients may not need it.

Health aspects, Editorial, Thyroxine, Triiodothyronine

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Timing and magnitude if increases in levythyroxine requirements during pregnancy in women with hyperthyroidism

Article Abstract:

Women suffering from hypothyroidism were studied to identify the amount of levothyroxine required to combat impaired cognitive development and increased fetal mortality. The results show that levothyroxine dose should be increased in the fifth week of gestation.

Science & research, Research, Prevention, Dosage and administration, Fetal death, levothyroxine (Medication)

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Subclinical hyperthyroidism

Article Abstract:

Doctors may decide to treat patients with subclinical hyperthyroidism because this condition can cause heart disease and osteoporosis. Subclinical hyperthyroidism means blood levels of thyroid hormone are slightly elevated but the patient may have no symptoms.

Hyperthyroidism

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