Gastric ulcer is nothing more than an injury to the tissue lining the stomach. It may also be called peptic ulcer or stomach ulcer.
The most common cause of ulcer formation is the proliferation of a bacterium called Helicobacter pylori. There are other less common factors such as diet, overuse of drugs, smoking, stress and alcohol.
The best way to prevent an ulcer contraction is to maintain hygiene habits to prevent Helicobacter pylori infection. It is also good to avoid excessive consumption of alcohol, smoking and medications such as pain killers.