Summary

hyperthyroidism is excess production of thyroid_hormones. The most common cause is Graves_disease. Typical symptoms include weight_loss, heat_intolerance, palpitations, tremor, anxiety, and increased_appetite, with possible diarrhea and menstrual_changes. Signs may show warm_moist_skin, goiter, and eye changes in Graves. Patients often have tachycardia and nervousness. Labs usually reveal low_TSH with high_T3_T4. It is more common in women. A severe complication is thyroid_storm.