what causes belching from ulcers?
<answer> The common cause of stomach ulcers, the h. pylori bacterium, breaks down a natural urea substance in the body in order to survive in the acidic environment of the stomach lining. <context> Stomach ulcers may produce gas and pressure as a symptom when excessive belching is presented. The common cause of stomach ulcers, the h. pylori bacterium, breaks down a natural urea substance in the body in order to survive in the acidic environment of the stomach lining.tomach ulcers may produce gas and pressure as a symptom when excessive belching is presented. The common cause of stomach ulcers, the h. pylori bacterium, breaks down a natural urea substance in the body in order to survive in the acidic environment of the stomach lining.