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Hemorrhoids are scientifically defined as, "the blood vessel-filled tissue at the end of the anus and the rectum." When used in the standard sense of, "I have hemorrhoids," the word means vein varicosities inside the hemorrhoids, that is to say inflamed, entwined and/or enlarged veins in the tissue at the end of the rectum and the anus. Perianal hematoma, which is bruising brought on by ruptured veins within the perianal tissue, could be mistaken for and misdiagnosed as hemorrhoids. The remedy for hemorrhoids is completely different compared with the remedy for perianal hematoma. This article would focus on internal hemorrhoids.

There are 2 types of hemorrhoids, internal and external. For our purposes, we shall define internal hemorrhoids as, "varicosities (swollen, intertwined and/or enlarged veins) within the hemorrhoid tissue in the rectum."

Hemorrhoid tissue in the rectum drains the area of the superior rectal arteries. The tissue in this particular area doesn't have pain receptors. As a result, internal hemorrhoids frequently go unnoticed unless irritated, at which time they might bleed. At times different rectal issues are incorrectly identified as hemorrhoids. Conditions that can make hemorrhoid-like symptoms include abscesses, anal irritation, itching and melanoma, fistulae, and fissures.

Internal hemorrhoids are usually not life threatening or dangerous. Slight hemorrhoid indications usually resolve in a few days. Lots of people with hemorrhoids do not show signs or symptoms. For most, their first sign of hemorrhoids is blood on the stool, toilet paper or within the bowl. When a swollen internal hemorrhoid is forced outside the anus, typically during defecation, it is referred to as a protruding hemorrhoid. With hemorrhoids, rubbing and cleaning of the anus makes matters worse. The irritation may bring about a series of signs and symptoms.

Without correct treatment internal hemorrhoids can worsen to prolapsed hemorrhoids and even strangulated hemorrhoids. A prolapsed hemorrhoid is a protruding internal hemorrhoid that remains outside the anus even when the anus is closed. Observe the development: from an internal hemorrhoid to a protruding hemorrhoid and then into a prolapsed hemorrhoid.

The ultimate stage is a strangulated hemorrhoid. This happens when the sphincter, attempting to rid itself of the irritant of the prolapsed hemorrhoid, goes spastic. The muscular spasm cuts off the blood supply to the veins in the hemorrhoid, strangling it.

The Banov grading system is the most common way of classifying hemorrhoids by severity. In the Banov system, hemorrhoids are graded on a scale of one to four A grade 1 hemorrhoid does not protrude - that is, it is a true internal hemorrhoid. Grade two hemorrhoids protrude outside of the anus when defecation is happening, but spontaneously reduce with the removal of muscle stress and withdraw to an interior position. Grade three hemorrhoids have to be manually reduced (squeezed) as soon as defecation is complete to allow to withdraw within the anus. Grade 4 hemorrhoids require surgical procedure as they are external to the body and cannot be manually reduced.

Internal hemorrhoids may be the result of persistent bowel problems, diarrhea, portal hypertension, obesity, poor muscular tone, poor posture and being pregnant. Excessive consumption of alcohol or caffeine is thought to at least worsen hemorrhoids.

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