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10 gru 2022 · Too much levothyroxine can cause side effects, such as: Tiredness. Increased appetite. Sleep problems. Shakiness. Pounding of the heart, sometimes called heart palpitations. Levothyroxine typically causes no side effects when used in the correct dose.
10 gru 2022 · Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable symptoms in its early stages.
30 lis 2022 · Hyperthyroidism happens when the thyroid gland makes too much thyroid hormone. This condition also is called overactive thyroid. Hyperthyroidism speeds up the body's metabolism. That can cause many symptoms, such as weight loss, hand tremors, and rapid or irregular heartbeat.
3 kwi 2012 · The Framingham study evaluated an unselected population of elderly subjects (>60 years) and found a 4.4% prevalence of thyroid deficiency, as evidenced by a clearly elevated serum thyrotropin level greater than 10 μIU/mL. Women exhibited thyroid deficiency (5.9%) more often than men (2.3%).
Hypothyroidism most often results from dysfunction of the thyroid itself (primary hypothyroidism) but can also occur as a result of defects along the hypothalamic/pituitary axis (less common) or from intake of lower-than-required doses of exogenous thyroid hormone in patients with primary hypothyroidism (more common).
25 mar 2019 · Thyrotoxicosis results from inappropriate activation at any level of the hypothalamic-pituitary-thyroid axis with increased thyroid hormone production from thyroid follicles or from release or ingestion of preformed thyroid hormone .
Subclinical hypothyroidism or mild thyroid failure is a common problem, with a prevalence of 3% to 8% in the population without known thyroid disease. 2,3 The prevalence increases with age and is higher in women. 2 After the sixth decade of life, the prevalence in men approaches that of women, with a combined prevalence of 10%. 2 Antithyroid ant...
