The word diarrhea is from the Ancient Greek from "through" and "flow". Diarrhea is the spelling in American English, whereas diarrhoea is the spelling in British English. Slang terms for the condition include "the runs", "the squirts" (or "squits" in Britain) and "the trots".
symptom of Hirschsprung's disease
symptom of Necrotizing enterocolitis
symptom of Stomach cancer
symptom of Intussusception 
symptom of Small intestine cancer
symptom of Hiatal hernia
symptom of Ulcerative colitis
medical cause of Constipation