Soymilk is not recommended in the early stage of gastroenteritis, and can be consumed in moderation during the remission period.
In order to avoid intestinal flatulence during the acute stage of gastroenteritis, foods that are easy to ferment and produce gas, such as soy milk and milk, should be forbidden.
Usually a few hours to a day after the diarrhea or vomiting subsides, you can start eating, but at this time, the stomach is still in a weak state, so you need to start with easy-to-digest food, you can eat some millet porridge, cereal, thick rice noodle soup, light fruit juice, cookies, etc., and small meals.
To the relief period (after the number of bowel movements is reduced), you can add a moderate amount of less oil broth, soy milk, egg soup, vegetable juice and other liquid diet. After that, easy-to-digest protein foods such as fish, lean meat, soy milk and eggs can be added gradually.