What causes flatulence, belching and belching?

2

. Indigestion Due to the decline of stomach tolerance for

food, food can not be emptied in time after eating, there will be food residue in the gastric antrum, so the residual food

will produce gas, resulting in flatulence, belching, belching

. Gastritis

due to the damage of the gastric mucosa barrier, and the existence of inflammation, will damage the digestive function of the stomach, leading to gastric motility slowed down, so gastric emptying will be delayed, food will stay in the stomach and fermentation, gas production, resulting in flatulence, belching, belching symptoms.