What causes burping when experiencing stomach pain?

Belching during stomach pain may be caused by several factors: 1. Improper diet: Consuming excessive gas-producing or aerated foods—such as carbonated beverages and sweet potatoes—or eating raw, cold, spicy, or irritating foods can stimulate the gastric mucosa and diaphragm, leading to spasms that cause belching and stomach pain. 2. Indigestion: Weak gastric motility or poor digestive function may lead to indigestion, resulting in upper abdominal discomfort such as bloating, abdominal pain, and belching. 3. Chronic gastritis: Chronic inflammation of the gastric mucosa can cause recurrent stomach pain. Irregular eating habits may slow gastrointestinal motility, leading to symptoms such as post-meal fullness and belching. 4. Gastric ulcer: When the gastric mucosa is damaged and ulcers form, digestive capacity decreases. After eating, patients may experience burning or distending pain in the stomach, along with bloating and belching.