Child has stomachache, vomiting, and poor spirits

Patient's question:

The day before yesterday, the child drank two bottles of cold yogurt; it was probably around noon; in the evening, they ate a grilled sausage;;;; On the third day, the child didn't eat dinner properly;;; On the third day, the child started complaining of stomach pain;; they even started dry heaving;;; even when drinking water, they were dry heaving;;;; A B was done at the hospital;; the result was;;;; It might be swollen lymph nodes;;; Now, what should we do? Previous treatment and effectiveness: The doctor gave them anti-inflammatory medication; it was said that the child has poor digestion; What assistance is needed: The doctor gave them anti-inflammatory medication; it was said that the child has poor digestion

Doctor's answer:

Here is the English translation of the provided text, with the return characters kept as they are:
Expect it to be of assistance to you: Generally, taking probiotics helps with stomach pain. For mild diarrhea, increasing food intake and fasting for a few meals can help alleviate symptoms.
Suggestions: Additionally, consider dietary therapy. You can opt for some yogurt instead of heavy meals like fish and meat, which also works well! Haws and apples are good alternatives too. Furthermore, try drinking vinegar, eating eggs, and consuming millet porridge—all of which are beneficial for soothing your stomach.
The above advice is for the question "Child's stomach pain with vomiting and poor spirits." I hope it helps you. Wishing you good health!