Moderate to severe cramps that come and go, these may flare after a meal. Other symptoms may include vomiting that smells like stools, watery, ribbons like stools or no stools at all.
Pain or tenderness in the lower left side of the abdomen usually accompanied by fever. Other symptoms include nausea, vomiting, chills, stomach cramps, diarrhea, or constipation.
Chronic abdominal pain, yellowing skin, and eyes, accompanied by dark urine.
Stomach Ulcers and Gastritis
Dull stomach pain that comes and goes that becomes aggravated when the stomach is empty and seems to improve or disappear after a meal. Other symptoms include indigestion, nausea, vomiting, heartburn, gas, and dark stools.
Irritable Bowel Syndrome
Vague, widespread cramp-like pain accompanied by bloating, gas, tiredness, and occasional nausea. There could also be diarrhea, constipation, or bouts of both.
Pain in the lower right side of the abdomen, which could be accompanied by unexplained weight loss, skin rashes, tiredness, joint pain, fever, and mucus or blood in the stools.