A hemicolectomy is an operation where a section of the large intestine is removed. It is usually done to treat a condition such as bowel cancer.
Your digestive system breaks down the food you eat into nutrients such as carbohydrates, fats and proteins. Find out about how it works and some related conditions.
A colostomy is surgery to bring part of the colon to the surface of the body to form an opening. Waste is collected using a bag called a stoma pouch.
Rectal problems include haemorrhoids, fissures, abscesses and incontinence.
Underlying causes of diarrhoea
Diarrhoea usually occurs when fluid cannot be absorbed from your bowel contents, or when extra fluid is secreted into the bowel. Find out what causes diarrhoea.
Lactose intolerance symptoms
Lactose intolerance occurs when the body does not produce enough lactase enzyme to break down the lactose in the gut. Learn about the common symptoms.
Learn about appendicitis, an inflammation of the appendix, including possible causes, common symptoms and the main treatment options.
What causes appendicitis?
The exact cause of appendicitis is not known, but doctors believe it is caused by food or faecal matter (poo) getting lodged in the appendix.
Diverticular disease - diverticulitis and diverticulosis
Diverticular disease, including diverticulitis, is linked to a low-fibre diet and more common as people age. Here's how to treat the symptoms.
Itchy anus (pruritus ani)
An itchy anus, also called pruritus ani is a common complaint. The itch, in or around the anus, can be extremely intense and persistent, causing a constant urge to scratch. Read about causes, things you can do and when to see a doctor.