Drinking water is not recommended 6 to 8 hours before gastroscopy, and specific instructions should be followed.
Gastroscopy before the need for digestive tract preparation, generally need to fast for 6 to 8 hours, the purpose of doing so is to ensure that there is no residual food residue in the stomach, will not affect the vision of the gastroscope, which can better see the situation inside the stomach, reduce the possibility of leakage of diagnosis.
Therefore, during the period of intestinal preparation, no water should be consumed, so as to avoid choking and coughing due to nausea and vomiting during the operation, which may cause respiratory distress or even sudden death in serious cases.
The patient should follow the doctor’s instructions for bowel preparation and actively cooperate with the doctor.