The thyroid is a soft bow-shaped gland which sits in the front of the neck, just below the Adam’s apple. Learn more about what they do and medical conditions related to them.
This condition causes the thyroid gland in the neck to produce too much thyroid hormone, and can eventually lead to goitre and bulging eyes.
A thyroidectomy is the removal of all or part of the thyroid gland. It may be used to treat thyroid cancer or an enlarged or overactive thyroid.
A goitre is an enlarged or swollen thyroid gland, the butterfly-shaped gland at the base of your neck.
Hypothyroidism occurs when the thyroid gland does not make enough thyroid hormone. Learn about the symptoms, how it's diagnosed and treatment options.
Hyperthyroidism (sometimes called thyrotoxicosis) occurs when the thyroid gland is overactive. Learn more about hyperthyroidism, including the common signs and symptoms, and treatment options.
Thyroid function tests
Thyroid function tests are used to check for a number of thyroid problems. The tests usually include thyroid stimulating hormones (THSs) T4 and T3.
Hashimoto's disease can cause your body to produce too little thyroid hormone. Find out more about its causes, symptoms and treatment.
Causes of thyroid problems
The common causes of thyroid problems include autoimmune disease, certain medical treatments and inflammation of the thyroid. Learn more here.
Iodine deficiency is the most common cause of thyroid disease and can even cause brain damage in babies. During pregnancy and breastfeeding, women should take iodine supplements. Learn more here.