There can be various different causes owing to a bulge in your stomach. A bulge in your stomach can be characterized as a mass in the abdomen or a lump in the very region. A bulge is usually only detected after a physical examination has been ordered. It is easier for the doctor to make a diagnosis if you can correctly identify where the pain is occurring if there is any associated with the bulge. The abdomen is divided into four areas: the right upper quadrant, the right lower quadrant, the left upper quadrant and the left lower quadrant. Depending o the location of the bulge, its texture, firmness and other features, the cause of the bulge can then be diagnosed.
Here are some of the known reasons or causes of an abdominal bulge:


A bulge in the stomach can be described as a lump in the abdomen or a small bulge or tissue or a swelling in that area. Hernia is one of the most common causes of an abdominal bulge. A hernia usually takes place where the muscles in the abdomen are weak, allowing the organs present internally to bulge through the walls of the abdomen. There are different types of hernia. Here are a few common ones;

  • Inguinal hernia occurs in the scrotum and is more common in men than women
  • Incisional hernia as the name suggests occurs because of a scar left by an abdominal surgery maybe.
  • Umbilical hernia occurs around the belly button if the muscles around it do not close completely.

Causes other than hernia for an abdominal bulge include the following:

  • Colon cancer: can cause a mass of bulge anywhere around the abdominal area
  • Bladder distention: can cause a mass above the pelvic bones and below the central abdomen
  • Liver cancer: can cause a bulge in the right quadrant of the abdomen
  • Ovarian cyst: can cause a bulge in the lower abdomen, above the pelvis, smooth and rubbery in nature
  • Hematoma: can cause a bulge in the abdomen due to an injury causing for a collection of blood under the skin
  • Lipoma: owing to collection of fatty tissue under the skin
  • Undescended testicles
  • Lymph nodes
  • Skin or muscle tumors


It is essential that you call a doctor on an immediate basis if you begin to experience a growth in the bugle in your belly. If you have a hernia then contact a doctor on an urgent basis if it looks abnormal or is associated with pain, fever or vomiting. In some cases you may have to undergo certain tests, which may include an abdominal CT scan, an Xray, a blood test or an ultrasound, largely depending on your needs and your condition.