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Thyroid hormone replacement with levothyroxine treats hypothyroidism. [3] Medical professionals adjust the dose according to symptoms and normalization of the thyroxine and TSH levels. [3] Thyroid medication is safe in pregnancy. [3] Although an adequate amount of dietary iodine is important, too much may worsen specific forms of hypothyroidism ...
Levothyroxine, also known as L-thyroxine, is a synthetic form of the thyroid hormone thyroxine (T 4). [5] [8] It is used to treat thyroid hormone deficiency (hypothyroidism), including a severe form known as myxedema coma. [5] It may also be used to treat and prevent certain types of thyroid tumors. [5] It is not indicated for weight loss. [5]
Thyroxine, also known as T 4, is a hormone produced by the thyroid gland. It is the primary form of thyroid hormone found in the blood and acts as a prohormone of the more active thyroid hormone, triiodothyronine (T 3 ). [ 1 ]
Multiple studies have demonstrated persistent symptoms in Hashimotos patients with normal thyroid hormone levels (euthyroid) [75] [15] [22] and an estimated 10%-15% of patients treated with levothyroxine monotherapy are dissatisfied due to persistent symptoms of hypothyroidism.
Treatment consists of a daily dose of thyroxine, available as a small tablet. The generic name is levothyroxine, and several brands are available. The tablet is crushed and given to the baby with a small amount of water or milk. The most commonly recommended dose range is 10-15 μg/kg daily, typically 12.5 to 37.5 or 44 μg. [8]
Desiccated thyroid preparations have a greater variability from batch to batch than synthetic ones. [9] Desiccated thyroid has roughly a 4:1 ratio of thyroxine (T4) to triiodothyronine (T3). In humans, the ratio is 11:1. [10] A combination of various ratios of T4 and T3 might not provide benefits over T4 alone.
Levothyroxine, a drug used to treat hypothyroidism, can lead to reduced bone mass and density in older adults with normal thyroid levels, a small cohort study has shown.
Thyroid diseases are highly prevalent worldwide, [10] [11] [12] and treatment varies based on the disorder. Levothyroxine is the mainstay of treatment for people with hypothyroidism, [13] while people with hyperthyroidism caused by Graves' disease can be managed with iodine therapy, antithyroid medication, or surgical removal of the thyroid ...