ALL DEFINITIONSHyperthyroidismDefinitionHyperthyroidism is a medical condition characterized by the overproduction of thyroid hormones by the thyroid gland, leading to an increased metabolism and various symptoms affecting multiple body systems.Related Fact SheetsTrial testFact sheet 6.59 pmFACTSHEET FOR MEDIA CONTRIBUTORThyroid Diseasefact sheet with media everywhereRelated DepartmentsEndocrinologyMetabolic Health & Weight Loss Program