In a hiatus hernia, a part of the stomach pushes up through a hole in the diaphragm, which is the muscle that separates the chest from the abdomen. Find out more about hiatus hernia.
A hernia occurs when tissues or organs bulge through a weak point in the wall of the abdomen (belly muscles). Here is information about hernia symptoms and treatment.
Underlying causes of abdominal pain
Abdominal pain has many causes, and may be short-term, long-term or a pain that comes and goes. Sudden and severe abdominal pain is a medical emergency.
Learn more about symptoms and treatments for gastro-oesophageal reflux disease (GORD), which is caused by stomach acid leaking into the oesophagus.
Abdominal pain, stomach cramps or sharp gut pain can have many causes. Learn about them and their treatment as well as when to see a doctor.