TSH Receptor Stimulating Antibodies Blood Test
Autoimmunity (1 Biomarker)
From the expert
Thyroid stimulating hormone receptor antibodies are autoantibodies that attach to proteins in the thyroid and promote the production of thyroid hormones, leading to hyperthyroidism. Hyperthyroidism, or an overactive thyroid, occurs when the thyroid makes too much of the hormones, thyroxine (T4) and triiodothyronine (T3). An excess of thyroid hormones speeds up metabolism in the body. Hyperthyroidism symptoms include fatigue, unexplained weight loss, heart palpitations, a sensitivity to heat and hair loss.
TSH receptor stimulating antibodies are often associated with Graves' disease and this test helps to investigate symptoms of hyperthyroidism when an autoimmune condition is suspected. It is also used to monitor the progress and effectiveness of anti-thyroid therapy.
Why take this test?
- You have been diagnosed with hyperthyroidism and want to find out the cause
- You want to monitor the effectiveness of anti-thyroid treatment
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