Irritable Bowel Syndrome (IBS)
IBS is a functional disorder that affects the large intestine and is characterized by multiple symptoms. It causes cramping, bloating, gas, diarrhea and constipation. With IBS, the nerves and muscles in the bowel are highly sensitive, and may contract too much during meals. Because the symptoms of IBS are similar to other, more severe GI disorders, your doctor will perform tests to properly diagnose the problem. Treatment for IBS may involve lifestyle or dietary changes, laxatives or medication.