Colonoscopy Hemorrhoids

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Definition

Hemorrhoids are painful, swollen veins in the lower portion of the rectum or anus.


Alternative Names

Rectal lump; Piles; Lump in the rectum


Causes, incidence, and risk factors

Hemorrhoids are very common, especially during pregnancy and after childbirth. They result from increased pressure in the veins of the anus. The pressure causes the veins to swell, making them painful, particularly when you are sitting.

The most common cause is straining during bowel movements.

Hemorrhoids may be...

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