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There may be symptoms of thyroid overactivity, such as weight loss, a fast or irregular heart rate, tremor, and perspiration; [1] [2] but such symptoms occur in only half of all cases. [5] The most common type of hyperthyroidism, Graves' disease , may additionally cause eye problems ( Graves' ophthalmopathy ) and skin changes of the legs ...
Beta-blockers are used to alleviate the symptoms associated with TM. But beta-blockers do not reduce the damage done by excess thyroxine. Medications such as propylthiouracil and methimazole are administered to block the release of thyroxine from the thyroid and to block the damage thyroxine inflicts on muscle fiber tissue. [citation needed]
Thyroid hormone treatment is also included if required. Failure of some patients to respond to this first-line treatment has produced a variety of alternative treatments, including azathioprine , cyclophosphamide , chloroquine , methotrexate , periodic intravenous immunoglobulin, and plasma exchange.
Certain medications can have the unintended side effect of affecting thyroid function. While some medications can lead to significant hypothyroidism or hyperthyroidism and those at risk will need to be carefully monitored, some medications may affect thyroid hormone lab tests without causing any symptoms or clinical changes, and may not require treatment.
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.
In the setting of elevated thyroid hormone, the density of thyroid hormone receptors (esp. beta receptors) also increases, which enhances the response to catecholamines. This is likely responsible for several of the cardiovascular symptoms (increased cardiac output, heart rate, stroke volume) seen in thyroid storm. [citation needed] [16]
They are hypothesized to develop as a result of thyroid damage, where T-lymphocytes are sensitized to residual thyroid peroxidase and thyroglobulin, rather than as the initial cause of thyroid damage. [5] However, they may exacerbate further thyroid destruction by binding the complement system and triggering apoptosis of thyroid cells. [5]
Hypothyroidism (also called underactive thyroid, low thyroid or hypothyreosis) is a disorder of the endocrine system in which the thyroid gland does not produce enough thyroid hormones. [3] It can cause a number of symptoms, such as poor ability to tolerate cold, extreme fatigue, muscle aches, constipation, slow heart rate, depression, and ...
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