The possible causes of headaches every time a child’s stomach swells are caused by colds, indigestion, gastroenteritis and other conditions. 1. Colds: mostly caused by viral infections, such as gastrointestinal colds. As the virus invades the body, it releases a large number of inflammatory mediators, stimulates the thermoregulatory center, causing an increase in body temperature, which in turn affects the child’s brain and nerve function, resulting in a headache every time the child’s stomach is distended, which is a common symptom of colds. 2. Indigestion: Headaches caused by indigestion may be related to individual differences. Because indigestion can lead to stomach bloating, causing abdominal pressure and diaphragm elevation, if you do not sleep enough at night, it will affect the blood supply to the brain is insufficient, and then appear every time the child’s stomach bloating headache. 3. Gastroenteritis: As the gastrointestinal tract and digestive system, such as the bile duct, pancreas and other organs are infected by viruses, bacteria, or other pathogenic microorganisms, abdominal distension, vomiting, and at the same time, the child will have a headache every time his stomach is distended. There may also be other reasons for your child’s headache every time he or she has a bloated stomach, so it is recommended that he or she go to the hospital in time for a complete examination to determine the cause of the problem, and then be given targeted treatment under the guidance of the doctor.