Before surgery, to prevent vomiting during general anesthesia and abdominal distension after surgery, the duration of fasting and water fasting was

According to the query of the official website of China Health, general anesthesia preoperative fasting is 6 hours, water is prohibited for 4 hours, if you drink water, the elderly or children, the physical condition of a slight difference only to 2 hours, the prerequisite is water, and then drink any water within 2 hours, the requirement of general anesthesia preoperative night to eat early, less meals, less fiber, less meat.

Drinking milk and juice is not the same as the time of fasting, drinking milk to 6 hours, drinking juice 4 hours, drinking water fasting to 2 hours, 8 am surgery, 6:00 am can not drink water, to 4:00 pm can not drink juice, 2:00 pm after you can not drink milk.