What causes sudden abdominal cramps?

There are many causes of sudden abdominal cramps, which can be judged according to the patient's other clinical symptoms. Middle abdominal cramps may be caused by eating unhealthy food, intestinal obstruction or intestinal spasm. Right lower abdominal cramps may be appendicitis. Left lower abdominal pain may be acute colitis, which will not disappear in a short time. Upper abdominal cramps may be caused by stomach cramps, stomach ulcers or long ulcers on the index finger.