What is the reason for a 5-year-old child's headache, nausea, and stomach pain?

Patient's question:

No

Doctor's answer:

It may be due to fungal infection or food-related issues causing enteritis. If it is not severe, you can take anti-inflammatory and antibacterial medications under the guidance of a doctor for treatment. If it is severe, it is recommended that you go to the hospital for a barium meal examination to identify the cause and then proceed with treatment.