Usually you can not eat before gastroscopy, after eating food residue is not conducive to the direct observation of the surface of the gastric mucosa, the day before the examination should pay attention to a light diet.
Gastroscopy can directly observe whether there is congestion, erosion, ulceration, etc. on the surface of gastric mucosa, which usually requires full exposure of gastric mucosa. If you eat before the examination will cause food residue attached to the surface of the gastric mucosa, not conducive to the direct observation of the gastric mucosal surface of inflammation, as well as the number of polyps, size, etc., generally can not eat before the examination.
The day before the gastroscopy, pay attention to a light diet, you can eat millet porridge, soft noodles and other easily digestible food, the night before about ten o’clock to prohibit food and drink, generally need to keep at least 4-6 hours fasting state. Avoid eating fatty meat and other greasy food the day before the examination, and avoid drinking alcohol.
Before doing gastroscopy, you should follow the doctor’s instructions and make preparations under the doctor’s guidance, so as not to affect the test results. Patients with diabetes, hypoglycemia, etc. can communicate with the doctor and arrange the examination as early as possible to avoid fainting and other adverse reactions.