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Can thyroxine cause hyperthyroidism?

Can thyroxine cause hyperthyroidism?

Hyperthyroidism (overactive thyroid) occurs when your thyroid gland produces too much of the hormone thyroxine. Hyperthyroidism can accelerate your body’s metabolism, causing unintentional weight loss and a rapid or irregular heartbeat. Several treatments are available for hyperthyroidism.

Can levothyroxine treat hyperthyroidism?

When hypothyroidism occurs after treatment of an overactive thyroid gland, it can be effectively treated with levothyroxine, a synthetic form of thyroid hormone that’s usually taken as one small pill a day. When used in the correct dose, levothyroxine can be safely taken for the remainder of a person’s life.

Is it possible to go from hypothyroidism to hyperthyroidism?

Cases of conversion from hyperthyroidism to hypothyroidism have been reported but conversion from hypothyroidism to hyperthyroidism is very rare. Although such cases have been reported rarely in the past we are now seeing such conversions from hypothyroidism to hyperthyroidism more frequently in clinical practice.

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How long does it take for levothyroxine 50 mcg to work?

May take several weeks for an improvement in symptoms to be seen and up to 4 to 6 weeks for peak blood levels to be reached.

What is levothyroxine sodium 50 mcg used for?

Levothyroxine is used to treat an underactive thyroid gland (hypothyroidism). It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland. Low thyroid hormone levels can occur naturally or when the thyroid gland is injured by radiation/medications or removed by surgery.

Is levothyroxine used for hyperthyroidism?

Not all cases of hyperthyroidism respond well to radioactive iodine. After radioactive iodine most patients will require thyroid hormone replacement with levothyroxine (Synthroid, Levothroid, and other brand names).

Can you go from hypothyroidism to hyperthyroidism?