December 19, 2013 in Features

Ask Dr. K: Three treatment options for hyperthyroidism

Anthony L. Komaroff Universal Uclick
 

DEAR DOCTOR K: What are the treatment options for hyperthyroidism? Can you discuss the pros and cons of each one?

DEAR READER: The thyroid gland in your neck makes thyroid hormone. This chemical circulates in the blood and affects the functioning of every cell in your body. It is essential for life, but you need to have just the right amount circulating, not too much and not too little.

Normally, your thyroid gland doles out just the right amount of thyroid hormone to keep your body running smoothly. But sometimes the thyroid does not produce enough hormone, slowing down all of your body’s functions. This condition is called hypothyroidism, or underactive thyroid. Or the thyroid can produce too much hormone, sending your systems into overdrive. This condition is known as hyperthyroidism, or overactive thyroid.

A person with hyperthyroidism can experience a range of symptoms including insomnia, excess sweating, racing heartbeat, shortness of breath, exhaustion, nervousness, weight loss, a voracious appetite and diarrhea.

The goal of treatment is to stop the thyroid gland from making too much thyroid hormone and to fight the effects of too much hormone. There are three ways to do this:

• Radioactive iodine destroys part of your thyroid in order to reduce your body’s production of thyroid hormone. Your doctor must estimate how much radioactive iodine to give you to make your thyroid gland produce normal levels of hormone.

• Anti-thyroid drugs block the thyroid gland’s ability to make the hormone. The advantage of anti-thyroid drugs is that they do not leave your thyroid permanently damaged. The downside is that you can’t predict how long you’ll need to take them.

• Surgery to remove all or part of the thyroid is safe and highly effective. But if your entire thyroid gland is removed, your body will no longer produce thyroid hormone.

The final treatment decision rests on a number of factors, including your age, the cause of your condition and its severity.

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