Most ulcers are not caused by high stomach acid levels, but the destruction of the protective mucous lining of the stomach through various substances or bacteria. For instance, a Helicobacter Pylori infection actually reduces stomach acid levels, however this does not prevent it from being a leading cause of ulcers! In fact, to improve symptoms when antibiotic therapy or other treatments have failed to eradicate H. Pylori, it is necessary to raise stomach acid levels, provided this is done before the protective mucous lining of the stomach is damaged by the bacteria, and an ulcer has developed... Full Text