When to consult this department
- Persistent acidity, reflux, heartburn or upper-abdominal discomfort
- Repeated abdominal pain, bloating, nausea or vomiting
- Long-standing constipation or diarrhoea
- Blood in stool, black stool or unexplained change in bowel habit
- Difficulty swallowing or a feeling that food is sticking
- Unexplained weight loss, poor appetite or abnormal liver-related tests


