Information Living with thyroid disorders Hyperthyroidism 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: Graves’ disease A toxic multinodular goitre A solitary toxic thyroid adenoma (an adenoma is a clump of cells) Thyroiditis (inflammation of the thyroid gland) which is temporary Being diagnosed with hyperthyroidism or Graves' disease can be distressing and isolating. Please see our resources for further information and support. BTF patient guide to hyperthyroidism BTF patient guide on antithyroid drug therapy BTF guide to thyroiditis BTF guide to thyroid function tests BTF patient guide on psychological symptoms of thyroid disorders Patient Journeys – short films where people talk about their experiences of hyperthyroidism BTF Hyperthyroidism Group – a Closed Facebook Group for people affected by hyperthyroidism BTF telephone contacts Information about radioactive iodine as a treatment for hyperthyroidism Information about thyroid surgery as a treatment option Research News about Graves' disease We rely on donations to fund our work supporting and informing people living with thyroid disorders. Please consider making a donation or becoming a member Donate Become a member