Lymphocytic colitis occurs when all or part of your large or small intestines becomes inflamed. Symptoms include fecal incontinence, abdominal pain, watery diarrhea, weight loss and nausea.

A peptic ulcer is a lesion or sore in the lining of the duodenum or stomach where pepsin and hydrochloric acid are present. Ulcers forming in the stomach are gastric ulcers and those forming in the duodenum are duodenal ulcers.