2, avoid eating irritating foods, such as coffee, strong tea, peppers, etc.

3. Eat less sweet and sour foods and fruits, such as chocolate, ice cream, apples and oranges.

There is basically no taboo after ordinary colonoscopy. It is best not to drink water or eat anything within two hours after gastroscopy, and then eat soft and warm things, not too hard or irritating things.

Extended data

Through gastroscopy, the mucosal state of esophagus, stomach, duodenal bulb and even descending part can be observed sequentially and clearly. The process of pathological and cytological examination in vivo is called gastroscopy. Endoscopic diagnosis is reliable and safe.

Fasting for 6 ~ 8 hours before the examination, and the examination should be carried out on an empty stomach. If there is food in the stomach, it will affect the observation. If you have done barium meal examination, you must wait for barium to empty before doing gastroscopy; Patients with pyloric obstruction should fast for 2 ~ 3 days, and if necessary, gastric lavage before operation to remove food accumulated in the stomach.

References:

Baidu Encyclopedia: Gastroscopy