Internal hemorrhoids:

What are internal hemorrhoids?

Hemroids are clumps or masses (sometimes referred to as "cushions") of tissue that contain blood vessels and are surrounded by tissues made up of muscle and elastic fibers. If a hemroid forms at the top of the anal canal it is called an internal hemroid.

The anal canal is the last four centimeters (1.5") of the passage through which stool is evacuated from the body. It is located between the rectum and anus. The anal canal is divided into two uneven parts by the dentate line. The upper part is 2/3s of the anal canal and the lower part is 1/3 of the anal canal.

Hemroids that form in the upper part are internal hemroids and ones that form in the lower part are called external hemroids.

Hemorrhoids are present in everyone, but are usually only noticed when they become enlarged and begin to cause problems. The vessels of the hemorrhoid swell and the tissues surrounding it enlarge in size. The clump of tissue and blood vessels sticks out into the anal canal where it can become a problem.

Some complications of internal hemroids are:
• Itching
• Bleeding
• Prolapse
• Incarceration
• Gangrene

Generally, hemroids are not life threatening and can be treated with at-home remedies like drinking lots of water, eating more fibre and increased exercise. But if you have any of the complications listed above you should consult a doctor right away. Bleeding from the rectum or blood in the stool can be a sign of serious medical conditions not related to hemorrhoids.