Hyperthyroidism
Other namesOveractive thyroid, hyperthyreosis
SpecialtyEndocrinology
SymptomsIrritability, muscle weakness, sleeping problems, fast heartbeat, heat intolerance, diarrhea, enlargement of the thyroid, weight loss
ComplicationsThyroid storm
Usual onset20–50 years old
CausesGraves' disease, multinodular goiter, toxic adenoma, inflammation of the thyroid, eating too much iodine, too much synthetic thyroid hormone
Diagnostic methodBased on symptoms and confirmed by blood tests
TreatmentRadioiodine therapy, medications, thyroid surgery
MedicationBeta blockers, methimazole
Frequency1.2% (USA)