Diarrhoea is a medical condition characterized by frequent and watery bowel movements. It is often caused by an infection in the intestines, such as DYSENTERY, which is an intestinal infection caused by bacteria or parasites. DYSENTERY is a nine-letter word that is commonly associated with diarrhoea. Symptoms of DYSENTERY include abdominal pain, fever, nausea, and bloody stools. Treatment for DYSENTERY typically involves antibiotics and rehydration therapy.