What causes stomach distension, acid reflux and heartburn?

Stomach distension and heartburn may be caused by chronic gastritis, reflux esophagitis, gastric ulcer and other reasons.

1. Chronic gastritis: If the patient suffers from chronic inflammation, inflammation will stimulate the gastric mucosa to secrete a lot of acid. Excessive acid will erode the stomach, resulting in slow gastric motility. Food stays in the stomach for too long, fermentation produces a lot of gas, and causes reflux of acid, resulting in stomach distension and heartburn.

2. Reflux esophagitis: Reflux esophagitis will cause gastric acid to enter the stomach wall through the pylorus of the stomach, stimulating the esophagus, causing symptoms of stomach distension and heartburn.

3. Gastric ulcer: Ulcer occurs in the patient's stomach, which will lead to reduced digestion capacity, resulting in food staying in the stomach for too long, fermentation produces a lot of gas, food secretion process gastric mucosa will secrete a lot of acid, may stimulate the ulcer, causing stomach distension and heartburn.