An increase in free thyroid hormone, combined with the value of thyrotropin, can be determined as hyperthyroidism. Hyperthyroidism, may be due to hyperthyroidism of thyroid origin or pituitary hyperthyroidism.1. Symptoms of hyperthyroidism: Patients may experience, fatigue, weakness, fear of heat, and excessive sweating. Eating more food, but easily hungry, weight loss. Some people, will feel nervous, anxious, irritable, insomnia, and memory loss. Some people will have symptoms such as hand tremors, eye tremors, and even cardiovascular symptoms such as panic and shortness of breath.2. In terms of the digestive system, hyperthyroidism also has some symptoms. For example, the number of bowel movements is more frequent than before, which may be 1-2 times a day, but now it is significantly more. If you combine the symptoms with an increase in free thyroxine, you need to consult your doctor at the hospital. Depending on the results, the doctor will refine the thyroid function further. A screening test for thyroid-related antibodies and a thyroid ultrasound will be performed to determine, based on a combination of these results, exactly what is causing the hyperthyroidism. With hyperthyroidism, it may be due to Graves’ disease or thyroiditis, or it may even be due to the pituitary gland. Once the cause is clarified, further treatment options will be derived.