It is not allowed to drink water before the gastroenteroscopy because different degrees of nausea will occur during the examination, and if you drink water 4 hours before the examination, it will cause water reflux and cause choking.
Doing gastroscopy before the regulation of fasting water must reach 4 hours, this is due to drinking water to do gastroscopy will appear different degrees of nausea, 4 hours before the examination of water, may also be reflux phenomenon, water once into the airway, easy to choking danger. Therefore, drinking water before gastroscopy is prohibited.
If there is any abnormality in the results of gastroscopy and other tests, it is recommended to consult a doctor in time to clarify the cause of the disease with the help of the doctor and carry out targeted treatment or therapy. Gastroscopy should be prepared in accordance with the doctor’s instructions before the examination to avoid adverse effects.