Having occasional mild to moderate abdominal pain is a common and normal occurrence. It is an uncomfortable experience that almost everyone experiences from time to time. But, for some people, this pain can become agonizing, due to its frequency and/or severity. Symptoms of abdominal pain may vary from person to person, however, some common symptoms may include- inability to pass stools, vomiting, tenderness in the abdomen, bloating, belching, indigestion, diarrhoea, constipation, heartburn, pelvic discomfort, loss of appetite, painful or frequent urination, signs of dehydration and chest discomfort. Apart from these, if you experience- blood in bowel movement, unintended weight loss, pale skin, swelling of the abdomen, persistent nausea or vomiting, vomiting blood, trouble breathing; along with severe pain in the abdomen, you must seek immediate medical care.