Ulcers (sores) cause erosion in the protective lining of the stomach or duodenum (upper part of the small intestine). These persistent, sometimes burning, cramps typically occur between meals and at ...

Since that time the veins in the left leg and upper abdomen had become larger and the cramps occurred three to four times a night. Examination showed dilated upper thigh and lower abdominal veins ...

Abdominal (stomach) pain is common ... can lead to burning pain between meals and at night. Large bowel (intestine) obstructions cause severe cramping, bloating, and the inability to pass gas or stool ...