The bulge on the right side of the colon accumulates gas, which may be caused by colitis, dyspepsia, and combined intestinal obstruction. 1. Colitis: mostly triggered by autoimmune reaction, infection, heredity, mental and other factors, the intestines can appear diarrhea, abdominal pain, acute and severe symptoms, can also be accompanied by intestinal spasms, which triggers the emergence of the right side of the colonic gas bulge, you can use levofloxacin, cimetidine and other medications under the guidance of the doctor’s orders to treat. 2. Indigestion: because patients eat too much gas-producing food, such as beans, sweet potatoes and other foods, in the stomach and intestines will be fermented to produce a lot of gas, in the process of digestion and absorption lead to gas aggregation, thus causing the symptoms of the right bulge of the colonic gas, epigastric pain, etc., can be used under the guidance of the doctor’s instructions, moxapride, cinitabine and other medications to treat. 3. Combined with intestinal obstruction: due to intestinal motility paralysis, intestinal motility will be inhibited, not be able to quickly expel food from the body, the process will produce more gas, will also cause colonic gas, patients need to fasting, gastrointestinal decompression for treatment. After the right side of the colonic gas bulge, it is necessary to go to the hospital in a timely manner, after a clear diagnosis under the guidance of the doctor standardized treatment.