Jeri is right. Most ulcers are caused by an infection with a particular bacteria, Helicobacter pylori. The best treatments are certain combinations of antibiotics with an acid-suppressor (such as omeprazole) and, often, Pepto-Bismol. Depending on the particular combination chosen, the cost can vary from very expensive to fairly cheap. Most people do well with the cheap combinations but sometimes the more expensive combinations are tolerated more easily.

In the meantime, cut out whatever is irritating your stomach (caffeine, nicotine, alcohol, and very acidic foods are common culprits) and use over-the-counter acid suppression. OTC Prilosec and Zantac would be one way to do it. Just follow the package instructions. This will NOT kill the bacteria, but it may reduce your pain.

Hope this helps,

Kent