What Do the Results of a Thyroid Test Typically Show?


Quick Answer

Thyroid tests show how well the thyroid gland functions and measure the amount of thyroid hormones the thyroid produces, states WebMD. Thyroid hormones are responsible for brain development and growth in children, as well as regulation of metabolism and energy levels in adults.

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What Do the Results of a Thyroid Test Typically Show?
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Full Answer

The thyroid is a butterfly-shaped gland located in front of the trachea and below the larynx. It produces two kinds of hormones, thyroxine, or T4, and triiodothyronine, or T3. Health problems occur when the thyroid hormones are too high or too low, and doctors refer to these conditions as hyperthyroidism and hypothyroidism, respectively. Symptoms of thyroid issues include unexplained changes in weight, heart rate, and energy or mood. Swelling in the neck, hair loss, dry skin and brittle nails, and extreme sensitivity to temperature can also indicate a thyroid condition, according to WebMD.

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