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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 […]

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Thyroid Problems

Thyroid Problems

What should I know about thyroid disorders? What is the thyroid gland? The thyroid gland makes and stores hormones that help regulate the heart rate, blood pressure, body temperature, and the rate at which food is converted into energy. Thyroid hormones are essential for the function of every cell in the body. They help regulate […]

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Myxedema (Crisis) Coma

Myxedema (Crisis) Coma

What is the medical definition of myxedema (crisis) coma? Is it common? Myxedema (crisis) coma is a loss of brain function as a result of severe, longstanding low level of thyroid hormone in the blood (hypothyroidism). Myxedema com is considered a rare life-threatening complication of hypothyroidism, and represents one of the more serious side of of […]

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What causes a loss of appetite?

What causes a loss of appetite?

Anyone can experience a loss of appetite and for many different reasons. People may have less of a desire to eat, lose interest in food, or feel nausea at the idea of eating. Alongside a loss of appetite, a person may also experience fatigue and weight loss if they are not eating enough food to […]

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levothyroxine sodium (Synthroid, Levoxyl)

levothyroxine sodium (Synthroid, Levoxyl)

What is levothyroxine sodium, and how does it work (mechanism of action)? Levothyroxine is a synthetic (man-made) version of the principle thyroid hormone, thyroxine (T4) that is made and released by the thyroid gland. Thyroid hormone increases the metabolic rate of cells of all tissues in the body. In the fetus and newborn, thyroid hormone […]

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Thyroid Blood Tests

Thyroid Blood Tests

What are thyroid hormones? What does the thyroid look like? The thyroid gland produces hormones that are essential for normal body metabolism. Blood testing is now commonly available to determine the adequacy of the levels of thyroid hormones. These blood tests can define whether the thyroid gland’s hormone production is normal, overactive, or underactive. The […]

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Is compulsive eating before a period normal?

Is compulsive eating before a period normal?

Compulsive eating is common in the days leading up to a period. Several tips and strategies can help a person curb these cravings. Compulsive eating, or binge eating, is an overwhelming urge to eat more food than necessary. It may involve snacking when not hungry or eating in secret. Some people feel sadness or shame […]

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Thyroid Nodules

Thyroid Nodules

How are thyroid nodules diagnosed? Will they take a biopsy? Thyroid nodules usually are discovered by the health care professional during routine physical examination of the neck. Occasionally, a patient may notice a nodule as a small lump in their neck when looking in the mirror. Once a nodule is discovered, a physician will carefully […]