Digestive ulcers are open sores that develop in the stomach or intestinal lining due to irritation and inflammation. Understanding what causes ulcer formation helps in maintaining better digestive health and reducing recurring discomfort.

One of the primary factors behind what causes ulcer is H. pylori bacterial infection, which weakens the stomach’s protective lining. Excess stomach acid, irregular eating habits, and long-term use of pain-relieving medications can further damage the digestive tract.

Lifestyle factors such as stress, smoking, alcohol consumption, and unhealthy food choices also play a significant role in ulcer development. These habits increase acidity and slow the natural healing process.

Since what causes ulcer can differ for each individual, identifying personal triggers is essential for improving digestive comfort and supporting long-term stomach health.