What Do Thyroid Peroxidase Ab Test Results Mean?


Quick Answer

Thyroid peroxidase is an enzyme produced by the thyroid gland, and it plays an important role in the production of thyroid hormones T3 and T4. These hormones affect many important health aspects, including weight, mood and energy levels. In some cases, the immune system forms antibodies to attack the thyroid gland, which can cause health problems. If the immune system has attacked thyroid peroxidase it can lead to Hashimoto thyroiditis.

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Full Answer

Hashimoto thyroiditis, sometimes referred to as chronic lymphocytic thyroiditis, is a condition that causes an underactive thyroid or hypothyroidism. Hashimoto thyroiditis is the most common cause of hypothyroidism in the United States. This condition is most commonly found among middle-aged women. Symptoms of this condition often include sluggishness, unexplained weight gain, muscle pain and stiffness, constipation, depression and increased sensitivity to cold.

Hashimoto disease usually progresses slowly and inflicts chronic thyroid damage, which leads to a drop in thyroid hormones present within the blood. Treatment for Hashimoto condition usually involves thyroid hormone replacement, which in most cases is simple and effective. It is important to maintain regular followup appointments with a doctor to ensure the correct amount of hormone replacement therapy is being administered, as these levels change over time.

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