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| Hyperthyroidism | |
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What is Hyperthyroidism ? Hyperthyroidism is a condition in which an overactive thyroid gland is producing an excessive amount of thyroid hormones that circulate in the blood. ("Hyper" means "over" in Greek). Thyrotoxicosis is a toxic condition that is caused by an excess of thyroid hormones from any cause. Thyrotoxicosis can be caused by an excessive intake of thyroid hormone or by overproduction of thyroid hormones by the thyroid gland. What are thyroid hormones? Thyroid hormones stimulate the metabolism of cells. They are produced by the thyroid gland. The thyroid gland is located in the lower part of the neck, below the Adam’s apple. The gland wraps around the windpipe (trachea) and has a shape that is similar to a butterfly formed by two wings (lobes) and attached by a middle part (isthmus). The thyroid gland removes iodine from the blood (which comes mostly from a diet of foods such as seafood, bread, and salt) and uses it to produce thyroid hormones. The two most important thyroid hormones are thyroxine (T4) and triiodothyronine (T3) representing 99.9% and 0.1% of thyroid hormones respectively. The hormone with the most biological activity (i.e., the greatest effect on the body) is actually T3. Once released from the thyroid gland into the blood, a large amount of T4 is converted to T3--the more active hormone that affects the metabolism of cells.
What causes of Hyperthyroidism? Some common causes of hyperthyroidism include: Adenoma & Toxic Multinodular Goiter The thyroid gland (like many other areas of the body) becomes lumpier as we get older. In the majority of cases, these lumps do not produce thyroid hormones and require no treatment. Occasionally, a nodule may become "autonomous," which means that it does not respond to pituitary regulation via TSH and produces thyroid hormones independently. This becomes more likely if the nodule is larger that 3 cm. When there is a single nodule that is independently producing thyroid hormones, it is called a functioning nodule. If there is more than one functioning nodule, the term toxic, multinodular goiter is used. Functioning nodules may be readily detected with a thyroid scan. Excessive intake of thyroid hormones Taking too much thyroid hormone medication is actually quite common. Excessive doses of thyroid hormones frequently go undetected due to the lack of follow-up of patients taking their thyroid medicine. Other persons may be abusing the drug in an attempt to achieve other goals such as weight loss. These patients can be identified by having a low uptake of radioactively-labelled iodine (radioiodine) on a thyroid scan. Excessive iodine intake The thyroid gland uses iodine to make thyroid hormones. An excess of iodine may cause hyperthyroidism. Iodine-induced hyperthyroidism is usually seen in patients who already have an underlying abnormal thyroid gland. Certain medications, such as amiodarone (Cordarone), which is used in the treatment of heart problems, contain a large amount of iodine and may be associated with thyroid function abnormalities.
What are the symptoms of Hyperthyroidism ? Hyperthyroidism is suggested by several signs and symptoms; however, patients with mild disease usually experience no symptoms. In patients older than 70 years, the typical signs and symptoms also may be absent. In general, the symptoms become more obvious as the degree of hyperthyroidism increases. The symptoms usually are related to an increase in the metabolic rate of the body. Common symptoms include: In older patients, irregular heart rhythms and heart failure can occur. In its most severe form, untreated hyperthyroidism may result in "thyroid storm," a condition involving high blood pressure, fever, and heart failure. Mental changes, such as confusion and delirium, also may occur.
How is Hyperthyroidism diagnosed? Hyperthyroidism can be suspected in patients with tremors, excessive sweating, smooth, velvety skin, fine hair, a rapid heart rate and an enlarged thyroid gland. There may be puffiness around the eyes and a characteristic stare due to the elevation of the upper eyelids. Advanced symptoms are easily detected, but early symptoms, especially in the elderly, may be quite inconspicuous. In all cases, a blood test is needed to confirm the diagnosis. How is Hyperthyroidism treated? The options for treating hyperthyroidism include: Role of Homoeopathy in treating Hyperthyroidism Homoeopathic medicines treat the individual constitution of patients suffering with thyroid disorders. In this a detailed case taking is done to find out the exciting cause underlined, the thyroid disease. Once the treatment is started, the symptoms of thyroid diseases are monitored regular weight check and thyroid hormones estimation are done to assess the improvement of the thyroid disorder. The success rate of these patients, with homoeopathic medicines are quite encouraging.
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Graves' Disease