[header] How to fix a bowel obstruction [title] See a doctor immediately. [step] If your abdomen swells and you have gas or cramping, you may have a bowel obstruction. You should seek emergency care if you can't pass gas or have loss of appetite, abdominal pain, constipation, and vomiting. 
Left untreated, a bowel obstruction can be life-threatening. [substeps] Call your doctor to see if you can get in right away.