Irritable bowel syndrome ( IBS) is a common, long-term condition of the digestive system.
Our Health A-Z contains more information on Irritable bowel syndrome.
Lactose intolerance is a common digestive problem where the body is unable to digest lactose, a type of sugar mainly found in milk and dairy products.
Our Health A-Z contains more information on Lactose intolerance.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.