Irritable bowel syndrome (IBS) is common disorder that affect large intestine. Signs and symptoms that includes abdominal pain, cramping, bloating, mucus in stool, alternate diarrhoea and constipation. People with IBS, more commonly than others, have gastroesophagel reflux, symptoms relating to the genitourinary system, chronic fatigue, syndrome, fibromyalgia, headache, backache and psychiatric symptoms such as depressionIrritable Bowel Syndrome – IBS