Why does sitting make my stomach hurt?

Sitting in general causes the contents of your abdomen (which include your intestinal tract) to compress, which slows digestion. Health professionals will agree that sluggish digestion is a major culprit of excess bloating and gas, cramps, heartburn and general discomfort after eating.

Why does my lower belly hurt when I sit down?

It can be a symptom of minor or major digestive system conditions such as gas, indigestion, constipation, colitis, diverticular disease, or appendicitis. Gynecologic conditions such as menstrual cramps or pregnancy may also be causes, as can kidney stones and urinary tract infections.

Why does my upper stomach hurt when I sit down?

Upper abdominal pain can have a wide range of causes, from indigestion and heartburn to gallstones or a liver abscess. Much of the time, the pain is temporary and resolves on its own. Sometimes, however, upper abdominal pain is caused by something that requires immediate medical attention, like a heart attack.