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What Can Cause Thyrotoxicosis?

April 26, 2017cause thyrotoxicosis

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What Can Cause Thyrotoxicosis?

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There can be many causes. The most common cause is Graves’ disease (an autoimmune disease). Other causes include: overactive thyroid nodule(s) and thyroiditis (inflamed thyroid). There are lab and Nuclear Medicine tests that can help your doctor decide what caused your thyrotoxicosis. What Blood Tests Will My Doctor Use? The most common blood tests are those that measure the levels of certain thyroid hormones in your blood. These include the thyroid hormones (T4, a thyroid hormone with four iodines attached, and T3, three iodines attached) and thyroid stimulating hormone (TSH). TSH is made in the pituitary gland in the brain. It is released into the blood. Its job is to cause the thyroid to make thyroid hormone. If there is too much thyroid hormone in the blood, then the pituitary will release less TSH. If there is too little thyroid hormone in your blood, the TSH will rise. What Is the Radioactive Iodine Uptake Test? The radioactive iodine uptake test is a method of finding out how yo