burping causes
Another possible cause of frequent burping might be an H. pylori, or Helicobacter pylori infection. H. pylori is a bacteria that infects the stomach and small intestine and is the major cause of stomach and duodenal ulcers. Symptoms of H. pylori infection include frequent burping, bloating, nausea and vomiting, abdominal pain and weight loss. H. pylori infection can cause ulcers, gastritis and stomach cancer. It is diagnosed by a blood, breath or stool test.