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Abdominal pain. Abdominal pain, also known as stomach pain or tummy ache, is a common symptom associated with non-serious and serious causes. Common causes of pain in the abdomen include gastroenteritis and irritable bowel syndrome. In a third of cases the exact cause is unclear.
Chronic (intermittent, or episodic) The specific cause of chronic abdominal pain is often difficult to determine. Symptoms may range from mild to severe, coming and going but not necessarily worsening over time. Conditions that may cause chronic abdominal pain include: Angina (reduced blood flow to the heart)