what is the causes of ulcer
If your ulcer was caused by H. pylori. Most stomach ulcers are caused by infection with H. pylori. Therefore, a main part of the treatment is to clear this infection. If this infection is not cleared, the ulcer is likely to return once you stop taking acid-suppressing medication.
Other factors also seem to contribute to ulcer formation. Overuse of over-the-counter painkillers (such as aspirin, ibuprofen, and naproxen), heavy alcohol use, psychological stress, and smoking exacerbate and may promote the development of ulcers, especially in someone with H. pylori. Other studies show that stomach ulcers are more likely to develop in older people.