In many cases, these changes cause a personâs organs to stop working. 1  Some of the signs that organs are affected include: 2  Heart â low blood pressure, fast pulse. 3  Lungs â low oxygen level, problems breathing. 4  Kidneys â making very little urine. 5  Brain â confusion, coma.
Indigestion and heartburn can cause excessive belching. Heartburn can stem from acid reflux, be the symptom of a peptic ulcer, or a sign that last night's spicy meal did not agree with your stomach lining.
Swallowing Air. Swallowing large quantities of air can cause more-frequent belching. People who eat quickly, drink carbonated beverages (such as soda and beer)---especially through a straw---and chew gum may all be more likely to burp on a more-than-regular basis.