Gastroenterology

Ulcerative colitis (UC) is an inflammatory bowel disease (IBD) in which the lining of the large intestine (colon) becomes inflamed and ulcers develop, which produce mucus and pus. UC occurs when the body's immune system mistakes food and other necessary materials in the intestine for...

Gastroesophageal reflux disease (GERD) in children is a digestive disorder in which the gastric acid from the stomach moves upward into the esophagus. Most people have gastric acid reflux occasionally; however, if reflux is occurring frequently, it can develop into GERD. Gastroesophageal reflux (GER) is the result...

Diarrhea is an increase in the looseness (usually runny or watery) and frequency of bowel movements per day. Diarrhea that lasts less than one week is considered to be acute diarrhea, while diarrhea lasting longer than four weeks is called chronic diarrhea. Most acute cases...