This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
All of the following are criteria for irritable bowel syndrome except - 
Select and explain. 
A. Change in frequency of stool, B. Blood & mucus in stool, C. Change in form ofstool, D. Improves with defecation
B: Blood & mucus in stool
Answer: B: Blood & mucus in stool 
Explanation: <p>Davidson&;s principles and practice of medicine 22nd edition. *Romelll criteria. * abdominal pain or discomfo associated with 2 or more of the following # improvement with defecation #change in frequency of stool. #change in appearance of stool </p>