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Thyroid Peroxidase Test

Thyroid Peroxidase Test

What is thyroid peroxidase? Picture of the thyroid gland. Thyroid peroxidase (TPO) is an enzyme made in the thyroid gland that is important in the production of thyroid hormone. TPO is found in thyroid follicle cells where it converts the thyroid hormone T4 to T3. The thyroid gland is located in the lower part of […]

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Graves’ Disease

Graves’ Disease

Graves’ disease facts Picture of Graves’ Disease Graves’ disease facts written by Charles Patrick Davis, MD, PhD Graves’ disease is an autoimmune disease of the thyroid that results from abnormal stimulation of the thyroid gland by a material in the blood referred to as thyroid stimulating immunoglobins (TSIs) that bind to and activate thyrotropin receptors. […]

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methimazole, Tapazole

methimazole, Tapazole

What is methimazole, and how does it work (mechanism of action)? Methimazole is used to treat an overactive thyroid gland (hyperthyroidism). Grave’s disease is the most common cause of hyperthyroidism. Grave’s disease is an autoimmune disease resulting from antibodies that attach to receptors on thyroid hormone-producing cells in the thyroid gland and trigger overproduction of […]

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Hypothyroidism

Hypothyroidism

What causes hypothyroidism? Hypothyroidism is a very common condition. Approximately 3% to 4% of the U.S. population has some form of hypothyroidism. This type of thyroid disorder is more common in women than in men, and its incidence increases with age. Examples of common causes of hypothyroidism in adults include Hashimoto’s thyroiditis, an autoimmune form […]

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liothyronine sodium, Cytomel, Triostat

liothyronine sodium, Cytomel, Triostat

What is liothyronine sodium, and how does it work (mechanism of action)? Liothyronine sodium is a synthetic (man-made) version of one of the two hormones made by the thyroid gland, triiodothyronine. It is used for treating individuals who are hypothyroid (do not produce enough thyroid hormones). Thyroid hormones increase the metabolism (activity) of all cells […]

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Hyperthyroidism

Hyperthyroidism

What causes hyperthyroidism? Some common causes of hyperthyroidism include: Graves’ Disease Functioning adenoma and toxic multinodular goiter (TMNG) Excessive intake of thyroid hormones Abnormal secretion of TSH Thyroiditis (inflammation of the thyroid gland) Excessive iodine intake Graves’ disease Graves’ disease, which is caused by a generalized overactivity of the thyroid gland, and is the most […]

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Cancer Risk Rises After Iodine Rx for Overactive Thyroid: Study

Cancer Risk Rises After Iodine Rx for Overactive Thyroid: Study

Latest Thyroid News MONDAY, July 1, 2019 (HealthDay News) — Patients who receive radioactive iodine treatment for an overactive thyroid have an increased long-term risk of cancer death, new research finds. The study couldn’t prove cause-and-effect, but “we identified a clear dose-response relationship between this widely used treatment and long-term risk of death from solid […]

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Thyroid Replacement Hormones

Thyroid Replacement Hormones

What are thyroid replacement hormones and how do they work? Thyroid replacement hormones are medications used to treat hypothyroidism, a condition in which the production of thyroid hormone in the body is abnormally low. Thyroid hormones increase cellular metabolism (activity of cells) that is responsible for growth, development of tissues, maintenance of brain function, body […]

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potassium iodide

potassium iodide

What is potassium iodide, and how does it work (mechanism of action)? Potassium iodide is a iodine-containing liquid that is used to protect the thyroid gland and to loosen secretions in the lungs (expectorant) so that they can be more easily coughed up (expectorated). Procedures that involve the use of radioactive iodine can damage the […]

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Propylthiouracil (PTU)

Propylthiouracil (PTU)

What is propylthiouracil, and how does it work (mechanism of action)? Propylthiouracil (PTU) is an oral medication that is used to manage hyperthyroidism which is due to an overactive thyroid gland. It is an anti-thyroid drug that has a mechanism of action that is similar to methimazole (Tapazole). Graves’ disease is the most common cause […]