Gas and bloating are two of the most common symptoms that present in clinical practice. According the the Journal of the American Medical Association, gas and bloating can be diagnostic of Small Intestinal Bacterial Overgrowth (SIBO). Do you suffer from gas and bloating after meals? Do you suffer from gas and bloating all day long? If you do, you may suffer from SIBO. You are about to find out that SIBO can have many causes beyond the GI tract.