Gas (flatulence) and bloating caused by another medical problem
Gas and bloating can have many causes, including:
- Bowel obstruction. Symptoms may include abdominal pain, nausea, vomiting, gas, and bloating.
- Cirrhosis of the liver. Symptoms may include a poor appetite, nausea, diarrhea or constipation, a bloated (distended) abdomen, and dull abdominal discomfort.
- Colon or rectal cancer. Symptoms may include diarrhea or constipation, narrow stools, abdominal pain, bloating, gas, weight loss, and decreased appetite.
- Crohn's disease. Symptoms may include lower abdominal cramping, diarrhea, weight loss, fever, and bleeding from the rectum.
- Diabetes. People who have long-standing diabetes may develop bowel problems that cause bloating and gas.
- Diverticulitis. Symptoms may include abdominal cramping, diarrhea, bloating, and gas.
- Gallstones. Symptoms may include pain in the upper right side of the abdomen, chest, upper back, or right shoulder following a meal of high-fat foods. Additional symptoms include nausea, vomiting, fever, belching, gas, heartburn, or pale stools.
- Ovarian cancer. When symptoms are present they may be vague, such as weight gain, increased abdominal girth, gas, and bloating. Ovarian cancer frequently does not cause symptoms.
- Parasitic infections, such as giardiasis, worms, or amoebiasis. Symptoms may include diarrhea, dehydration, mucus or blood in the stools, abdominal cramps, fatigue, weight loss, and gas.
- Peptic ulcer disease. Symptoms include a burning, aching, gnawing pain between the belly button and the breastbone that may extend to the back, loss of appetite, weight loss, bloating, gas, nausea, or vomiting.
- Splenic flexure syndrome. In this chronic condition, gas becomes trapped at the bends in the colon. Symptoms include bloating, muscle spasms, and upper abdominal pain.
- Ulcerative colitis. The most common symptoms are abdominal pain or cramping and diarrhea.
Gas also often occurs during the recovery phase of abdominal surgery. Gas-bloat syndrome may occur after surgery to correct gastroesophageal reflux disease (GERD).
| Author: | Jan Nissl, RN, BS | Last Updated: October 15, 2007 |
| Medical Review: | William M. Green, MD - Emergency Medicine H. Michael O'Connor, MD - Emergency Medicine | |
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