Hemorrhoids, haemorrhoids are swelling and inflammationof veins in the rectum and anus. The anatomicalterm "hemorrhoids" technically refers to "cushions of tissuefilled with blood vessels at the junction of the rectum and the anus". However,the term is popularly used to refer to varicosities of the hemorrhoid tissue. Perianalhematoma are sometimes misdiagnosed and mislabeled as hemorrhoids, when infact they have different causes and treatments.
Many anorectal problems, including fissures,fistulae,abscesses, anal melanomaor irritation and itching, also called pruritusani, have similar symptoms and are incorrectly referred to as hemorrhoids.
Hemorrhoids are usually not dangerous or life threatening. In most cases,hemorrhoidal symptoms will go away within a few days.
Although many people have hemorrhoids, and hemorroidial radiation, not allexperience symptoms. The most common symptom of internal hemorrhoidialradiation is bright red blood covering the feces (hematochezia),on toilet paper, and/or in the toilet bowl. However, an internal hemorrhoid mayprotrude through the anus outside the body, becoming irritated and painful.This is known as a protruding hemorrhoid.
Symptoms of external hemorrhoids may include painful swelling or a hardlump around the anus that results when a blood clot forms. This condition isknown as a thrombosed external hemorrhoid.
In addition, excessive straining, rubbing, or cleaning around the anus maycause irritation with bleeding and/or itching, which may produce a viciouscircle of symptoms. Draining anal mucus, produced by the dentateline may also cause irritation.