Hyperthyroidism is a condition where the thyroid gland produces more thyroid hormones than are needed by the body. It is also referred to as thyrotoxicosis, or an overactive thyroid. It can occur if you have:
Being diagnosed with hyperthyroidism or Graves' disease can be distressing and isolating. Please see our resources for further information and support.
Read about symptoms of an overactive thyroid (hyperthyroidism) and how this thyroid disorder is diagnosed and managed Read more
Recognise the symptoms of these rare, but serious, side effects of antithyroid drugs: agranulocytosis and serious liver injury Read more
Learn about how thyroid testing is used to diagnose and manage thyroid disorders Read more
Read about the different antithyroid drugs offered to people with hyperthyroidism and possible side effects Read more
Learn about the different forms of thyroiditis, its symptoms and treatment options Read more
Watch the recording of our webinar on hyperthyroidism (overactive thyroid) and thyroid surgery for Graves' disease Read more
Watch these Signhealth films explaining thyroid disorders in BSL Read more
Read our resources to support your psychological wellbeing with a thyroid disorder Read more
Read our expert's answers to questions on thyroid nodules and goitre answered at our 'Meet the expert' webinar Read more
Learn about the relative advantages and disadvantages of radioiodine therapy (RAI) as a treatment option for an overactive thyroid (hyperthyroidism) Read more
Questions about thyroid surgery? Hear from a leading expert about why and when thyroid surgery may be offered Read more
Watch the recording of our 'Understanding thyroid function tests' webinar Read more
Learn more about when thyroid surgery might be offered, what is involves, outcomes and possible complications Read more
Patient forums and Facebook groups for people with thyroid disorders Read more
Information about Project DAVIAD: antigen-specific immunotherapy in Graves’ disease Read more
Patient information about radioiodine treatment for hyperthyroidism or Graves' disease Read more
Read how psychological symptoms can accompany thyroid disorders and possible treatment and management options Read more
British Thyroid Foundation films by people affected by overactive thyroid (hyperthyroidism) Read more
Learn about thyroid nodules and swellings in thyroid patients and their diagnosis and treatment options Read more
Learn how thyroid disorders can affect your pregnancy and fertility: information for women and medical professionals Read more
Questions about thyroid disease? Need someone to talk to? Our BTF telephone support contacts are here to listen and chat Read more