Hyperthyroidism is caused by an overproduction of thyroid hormones. It is more common in women than in men, and is more common in women aged 20 to 30 years. Other causes include toxic small nodular goiter in middle-aged or elderly people and thyroiditis in young adults, the latter being seen in about 5% of women in the maternal] period. Clinical manifestations] Physical symptoms and signs include palpitations, tachycardia, atrial fibrillation, excessive sweating, subtle tremor, hyperphagia, weight loss, fear of heat, increased frequency of bowel movements, menstrual disorders, muscle weakness or hyperactive tendon reflexes. Patients commonly have protruding eyes, decreased transient vision, and receding eyelids. In patients with thyroiditis, there may be pain and tenderness in the thyroid region. Thyroid crisis (thyroid crisis) is an acute condition that usually occurs in patients with untreated hyperthyroidism, induced by other acute illnesses or undergoing surgical procedures that result in a sudden increase in thyroid hormones, which may manifest as fever, delirium, or even coma. Mental disorders include increased neuroexcitability, irritability, depression, irritability as well as fatigue, insomnia, talkativeness, and in severe cases, hallucinations, hallucinations and delusions of victimization. ”Apathetic hyperthyroidism is less common and occurs more often in middle-aged and elderly people. The clinical manifestations are apathy, delayed depression, weight loss, decreased appetite, poor concentration and memory loss, and clinical symptoms similar to dementia. Cardiac symptoms may mask other physical manifestations of hyperthyroidism. When the thyroid gland is functioning normally, depression and anxiety symptoms often disappear without treatment. Those with persistent psychiatric symptoms should be treated with psychotropic drugs.