I really need advisw from all you mates. I never had a stomach pain & currently I am facing living hell. Daily Abdominal pain, wind, bloatedness. All this happened when i was diagnosed with H plyori & post receiving Antibiotics this started and has gone worst. Colonoscopy didnt detect anything and doctors assume its IBS... I have a question pls - Does IBS cause Dark and Tarry Stools and red blood on tissue. Pls help