What does posterior annular fissure mean?

Posterior annular fissure, or fissure-in-ano, is a medical term used to describe a tear or crack in the tissue lining of the anus. This tear can be shallow or may extend deeper into the underlying tissue, causing pain, discomfort, and bleeding during bowel movements.

Anal fissures are often associated with chronic constipation or diarrhoea, as these conditions can cause excessive straining and put pressure on the anal area, leading to tears in the tissue. Inflammatory conditions such as Crohn's disease or ulcerative colitis, as well as childbirth, can also contribute to the development of posterior annular fissures.

Symptoms of a posterior annular fissure may include:

1. Severe pain during and after bowel movements

2. Bright red or dark blood on toilet paper or in the toilet bowl

3. Itching or irritation in the anal area

4. Difficulty with bowel movements

5. A visible crack or tear in the skin near the anus

If you are experiencing symptoms suggestive of a posterior annular fissure, it is important to consult with a healthcare professional, such as a gastroenterologist or a surgeon, for proper diagnosis and treatment. Treatment options may include lifestyle modifications, such as dietary changes and stool softeners, to relieve constipation or diarrhoea, as well as topical medications or surgery in more severe cases. Early intervention can help alleviate symptoms and prevent complications, such as infection or chronic anal pain.