Chronic kidney disease (CKD), also called chronic kidney failure, is a long-term condition where the function of your kidneys gradually declines.

A pilonidal sinus is a small lump in the skin that usually develops just below the tailbone. In some cases, it can become infected and may require surgical treatment.

Acid reflux is a common digestive condition that happens when some acid or bile in the stomach flows back up.

An anal fissure is a tear in the lining of the anus which is called the mucosa.

An anal fistula is an abnormal communication between the inside of the anus and the skin close to it.

Anal Intraepithelial Neoplasia (AIN) is a pre cancerous change in the skin in the perianal area caused by exposure to human papilloma virus (HPV).

Anal skin tags, or rectal skin tags, are common and usually harmless growths that hang off the skin around the outside of the anus.

Barrett's oesophagus is a change in the tissue lining your oesophagus, the tube in your throat that carries food to your stomach.

Bowel cancer, also known as colorectal cancer is a type of cancer that starts in the large bowel (colon) and the back passage (rectum).

Bowel incontinence, also known as faecal incontinence is an inability to control bowel movements, resulting in involuntary soiling.

Bowel habits can vary from person to person, day to day. However a sudden and noticeable change to your bowel habit can be suggestive of an underlying health issue.

Constipation is a common condition that involves going to the toilet less often to empty your bowels or passing hard or painful stools (poo)

Diverticulosis is a common condition of the colon that causes small pockets to form along its length.

Gallstones are collections of crystals of various substances in the bile. They look like small stones or gravel and they grow in the gallbladder.

Stomach cancer, also known as gastric cancer, is an abnormal growth of cells that begins in the stomach and can affect any part of the stomach.