What does the Thyroid Test measure?
- Thyroid Stimulating Hormone (TSH) is a hormone produced by the pituitary gland in the brain that stimulates the thyroid gland to produce thyroxine (T4) and Triiodothyronine (T3).
- Free Thyroxine (T4) is a hormone produced in the thyroid gland to regulate your metabolism
- Free triiodothyronine (T3) is a hormone produced in the thyroid gland to regulate your metabolism and is more biologically active than T4.
Who should get tested?
The most common causes of thyroid disease are family history, genetic factors, autoimmune disorders, medications and performance enhancing substances.
Symptoms of low thyroid function also known as hypothyroidism.
- Weight gain
- Hair loss
- Poor tolerance of the cold
- Dry skin
- Eye involvement hypothyroidism
Symptoms of high thyroid function also known as hyperthyroidism.
- Weight loss
- Increased heart rate
- Eye disease related to hyperthyroidism ( graves disease )