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Doctor insights on: Goitrogens And Thyroid Function

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Can all food contain iodine needed for the thyroid gland's production of thyroid hormone?

Can all food contain iodine needed for the thyroid gland's production of thyroid hormone?

Variable amounts: Plant food sources contain variable amounts of iodine, depending on the soil content of this mineral. In us you may use iodized salt that would cover the requirement. ...Read more

Dr. Michael Gabor
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more


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What food contains iodine needed for the thyroid gland's production of thyroid hormone?

What food contains iodine needed for the thyroid gland's production of thyroid hormone?

Many foods: The us diet has adequate i levels both in the food and added as stabilizers in many foods and other products as toothpaste and shampoos. If you are hypothyroid you need thyroid hormone in this country. ...Read more

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What caued thyroid nodules? Thyroid is normal size and functions normally...

What caued thyroid nodules?  Thyroid is normal size and functions normally...

Very common problem: Thyroid nodules are very common. We do not know why they appear. They normally do not cause functional changes in the thyroid. Once they are found, thyroid labs are done and ultrasound is used to evaluate. Those over 1 cm often get biopsied with fine needle aspiration biopsy. Luckily, about 95% of nodules are benign. ...Read more

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Can iodine supplements help regulate thyroid function in a person with hypothyroidism?

Can iodine supplements help regulate thyroid function in a person with hypothyroidism?

Iodine supplements usually aren't necessary if you live in the United States or in most developed countries: Some alternative medicine practitioners recommend iodine tablets or kelp supplements — which are high in iodine — for people with hypothyroidism. It is true that iodine deficiency can cause hypothyroidism. But iodine deficiency is rare in the United States and other developed countries since the addition of iodine to salt (iodized salt) and other foods. If iodine deficiency isn't the cause of hypothyroidism, then iodine supplements provide no benefit and should not be used. In fact, for some people with abnormal thyroid glands, too much iodine can cause or worsen hypothyroidism. Hypothyroidism can be safely and effectively treated with the synthetic thyroid hormone levothyroxine (Synthroid, Levothroid, others). ...Read more

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Kidney function and testosterone?

Kidney function and testosterone?

Clarify: I'm not sure what your question is. Testosterone should be used with caution in patients with conditions involving edema, such as impaired kidney function, as the hormone may worsen edema. One of the adverse effects of testosterone is an increase in serum creatinine concentration. ...Read more

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Will thyroid hormones or antithyroid medications interfere with a tc99m pertechnetate thyroid scan?

Will thyroid hormones or antithyroid medications interfere with a tc99m pertechnetate thyroid scan?

Not usually: Technetium is usually trapped by thyroid gland and used to determine in young children and infants the configuration of thyroid gland, hypoplasia, absence, or increased size or hyperplasia, or abnormal location. Radioactive iodine is used in older patients for determine function of thyroid gland, increased function or hyperthyroiidism or decreased function, hypothyroidism. ...Read more

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Why would autoimmune disorders make the thyroid gland produce excessive thyroxine?

Why would autoimmune disorders make the thyroid gland produce excessive thyroxine?

Antibodies: Some auto-antibodies sit on the thyroid cells and make them over produce thyroid hormone. Other autoantibodies can cause the exact opposite. ...Read more

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What should you eat when you have hyper thyroidism?

What should you eat when you have hyper thyroidism?

Hyperthyroidism: There are no food that reverse hyperthyroidism or make it worse. ...Read more

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What percentage of radio active thyroid iodine patients lose all thyroid function?

Depends on dose: For graves disease, typical doses of rai are 5-25 mci. The dose depends on your uptake and size of gland. Some doctors give low doses to try to make your thyroid normal. But this usually does not work. Either the low dose leaves you still hyperthyroid, or it makes you hypo, just like a higher dose. For this reason, many just give a high-ish dose so you become hypo quickly and go on synthroid (thyroxine). ...Read more

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What's the doctor's recommendation to increase TSH production and thus thyroid function?

See details: You misunderstand the disease and the lab tests. If your thyroid function is low, then your TSH level would be elevated. To correct a hypoactive thyroid, you need to take thyroid replacement medication. ...Read more

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Which antibiotics affect thyroid function?

Thyroid antibody: 3 main types of antibodies cause autoimmune disease (graves or hashimoto's): anti-microsomal, anti-thyroglobulin and anti-thyroid receptor (thyrotropin receptor). ...Read more

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What is the significance of radioactive iodine scan in various throid diseases like myxedema, hashimoto's thyroiditis and graves disease?

What is the significance of radioactive iodine scan in various throid diseases like myxedema, hashimoto's thyroiditis and graves disease?

Hot vs. cold nodule: Iodine uptake by thyroid tissue depends on functioning cells. The most common use for thyroid scan is to assess if a nodule is functional or not. A functional/hot nodule may cause hyperthyroidism but is not likely to be malignant. See this site for more info. http://www.nlm.nih.gov/medlineplus/ency/article/003829.htm. ...Read more

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Taking ptu (propylthiouracil) for overactive thyroid and Clomid also; does smoking affect thyroid hormones?

Taking ptu (propylthiouracil) for overactive thyroid and Clomid also; does smoking affect thyroid hormones?

Eye disease: Smoking will greatly increase your risk for developing grave's exophthalmopathy. Essentially, the eyes are pushed out because of immune deposits behind them. This will make it difficult for you to close your eyes. People go blind from this depending on severity. We don't understand why smoking increases your risk but it does. ...Read more

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What body functions are affected by hashimoto's thyroiditis?

What body functions are affected by hashimoto's thyroiditis?

All of them.: While the inflammation (the -itis part of thyroiditis) affects only the thyroid, if this causes the thyroid levels to drop, every tissue in the body can be affected - simplistically this can cause a slow down of the heart, the GI tract, the liver, the muscles, and the brain. Because the cells are slower to convert food energy to heat or work energy there is less energy to get things done. ...Read more

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How often should lithium level, kidney function, thyroid etc. be checked?

How often should lithium level, kidney function, thyroid etc. be checked?

Lithium checks: 44F of unknown ethnicity with Hx depression but no Hx of taking lithium asks: how often should Li renal fx thyroid etc be checked. ANS: unless taking lithium never, others depends o medical history. Your personal physician is the best to answer these questions as I do not have enough details. ...Read more

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Can thyroid dysfunction lead to thyroid cancer?

Can thyroid dysfunction lead to thyroid cancer?

No: Thyroid cancer is fairly common, the most common endocrine malignancy, and therefore, it can be seen in the setting of thyroid dysfunction (most commonly, hashimoto thyroiditis), but thyroid dysfunction has never been shown, to my knowledge, to cause thyroid cancer. ...Read more

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Can a solid thyroid nodule affect my iron levels?

No, No relationship: There is no relationship here. Have your thyroid nodule taken care of by your doctor. ...Read more

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Can letrozole affect thyroid function, or TBG?

Can letrozole affect thyroid function, or TBG?

Potentially: Hi. By lowering endogenous estrogen, letrozole may lead to a slight decrease in TBG. Unless you are taking l-thyroxine for hypothyroidism, it won't matter, however, because your pituitary will adjust thyroid hormone production to keep it normal. What condition are you taking letrozole for? Good luck! ...Read more