Jun 29, · An umbilical hernia occurs when part of the bowel or fatty tissue pokes through an area near the belly button, pushing through a weak spot in the surrounding abdominal wall. There are different. Dec 15, · An umbilical hernia in adults usually occurs when too much pressure is put on a weak section of the abdominal muscles. Potential .
Nov 16, · Your hernia may disappear when you lay flat. You may have any of the following: A bulge or swelling in or near your belly button; A bulge that gets bigger when you cough, strain to have a bowel movement, or sit up; Nausea or vomiting; Constipation; How is an umbilical hernia diagnosed? Your healthcare provider will usually find the hernia during an exam.