Do gastroscopy can eat the night before yesterday?

Normal gastroscopy can eat the night before yesterday, but if there are vomiting symptoms, suspected achalasia, peptic ulcer and obstruction, gastric cancer patients, do gastroscopy the day before the best to eat porridge or fasting, to ensure the clarity and accuracy of gastroscopy. Because the above chronic stomach disease can cause food retention, affect gastroscopy observation. Generally do gastroscopy fasting, forbidden to drink six hours later, you can do gastroscopy. After gastroscopy, if the gastroscopy is normal, you can eat for one hour after the examination. If you do polypectomy under gastroscopy, you need to fast for 6 hours, eat a full flow diet for 12 hours, and then eat a half flow diet for three days. The patient should pay attention to rest and prevent fatigue to prevent the wound from showing bleeding and perforation.