Sudden hunger, panic and weakness may be caused by hypoglycemia, which is related to insufficient sugar intake and insufficient gluconeogenesis. Suddenly hungry and panicky body weakness in the clinic is mainly caused by hypoglycemia, hypoglycemia refers to the plasma glucose level is lower than normal, the patient will appear palpitations (heartbeat accelerated, often accompanied by panic), sweating, hunger, fatigue and other symptoms, in severe cases, can be altered mentally. The causes of hypoglycemia are then more numerous, mainly related to insufficient sugar intake, insufficient sugar production, excessive sugar consumption and excessive sugar conversion. Hypoglycemia may be induced by improper diet (little or no food) or excessive physical activity (running, hiking and other sports leading to increased glycogen consumption). For people with hypoglycemia, it is important to pay attention to the rationality of diet and enhance nutritional intake on a daily basis. If you are diabetic, you should take hypoglycemic drugs or use insulin under the guidance of a doctor, and should not use drugs on your own.