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.
Excessive flatulence can be caused by swallowing more air than usual or eating food that's difficult to digest. It can also be related to an underlying health problem affecting the digestive system, such as recurring indigestion or irritable bowel syndrome (IBS). Read more about the causes of flatulence.