Understanding ColitisAbout This Hardback Colitis is an inflammation of the large intestine, also known as the colon. It causes discomfort and pain in the abdomen. There are different types of colitis such as ulcerative colitis, pseudomembranous colitis, ischemic colitis, microscopic colitis, and allergic colitis in infants. Abdominal pain, cramping, bloating, weight loss, diarrhea, blood in stool, fever, and vomiting are the main symptoms of colitis. It can be diagnosed