Anti Thyroid Peroxidase Antibodies (TPO) Test

About This Test

The Anti-Thyroid Peroxidase Antibodies (TPO) Test is a crucial blood test used to diagnose autoimmune thyroid disorders. It detects antibodies produced by th... Read more

The Anti-Thyroid Peroxidase Antibodies (TPO) Test is a crucial blood test used to diagnose autoimmune thyroid disorders. It detects antibodies produced by the immune system that mistakenly attack thyroid peroxidase, an enzyme vital to the production of thyroid hormones. Elevated levels of TPO antibodies may suggest conditions such as Hashimoto’s thyroiditis or Graves’ disease, both of which disrupt thyroid hormone balance, leading to symptoms such as fatigue, weight changes, and mood disturbances. This test is recommended for people with signs of thyroid dysfunction, such as unexplained weight gain, difficulty tolerating cold, dry skin, or swelling around the neck. Results help shape personalised treatment plans, whether through hormone replacement or immune-calming therapies. The TPO test is also helpful in monitoring ongoing thyroid conditions and for women planning pregnancy or experiencing infertility, due to thyroid health’s impact on reproductive wellness. A positive TPO antibody test doesn’t always indicate active disease, but it does signal the need for careful medical follow-up to prevent complications or future thyroid issues.

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