Why take this test?
The thyroid gland (located at the front of the neck) is responsible for thyroid hormone regulation. If there is a problem, you may produce too much of the thyroid hormone (Overactive – Hyperthyroidism) or too little (Underactive – Hypothyroidism).
Early signs for an underactive thyroid include unexplained weight gain, dry skin, feeling cold, puffy skin, hair loss or tiredness.
Early signs for an overactive thyroid include fast heart rate, anxiety, unexplained weight loss, feeling hot, hand tremors, bulging, dry, puffy or irritated eyes and difficulty sleeping (insomnia).