If gastroenteritis occurs during lactation, it is important to pay attention to dietary adjustments. In the acute phase, when there is obvious nausea, vomiting and diarrhea, you should fast for 24 hours. This is because if dehydration occurs during breastfeeding, there is a risk of reduced milk production. The symptoms of gastroenteritis can be treated with oral medications such as montelukast, bifidobacterium, bifidobacterium gold, and intestinal raw materials. 3. Breastfeeding is not recommended during the acute phase of gastroenteritis, and breastfeeding can be resumed only after the symptoms are completely relieved.