Gas is caused by swallowing air and the breakdown of food in your digestive tract. The consequences are usually burping, feeling bloated, or passing gas. On average, most people pass gas at least 14 times per day. Some people have more gas than others, which may be uncomfortable or embarrassing.
The primary symptoms of IBS are abdominal pain or discomfort in association with frequent diarrhea or constipation and a change in bowel habits. There may also be urgency for bowel movements, a feeling of incomplete evacuation (tenesmus), bloating, or abdominal distension.
Symptoms of IBS. The exact cause of IBS is not fully understood. For some, IBS can be aggravated by stress or certain foods and can result in frequent acute diarrhea. IBS symptoms vary from person to person and depend on the kind of IBS. Some symptoms that may occur in people with IBS include: Persistent diarrhea and/or constipation.