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Facts And Statistics Behind Hemorrhoids
Although not often discussed, hemorrhoids affect up to 86% of Americans and has no age barrier.
Hemorrhoids are a condition that will happen to one-half of Americans by the age of 50. Hemorrhoids are unique to humans - no other animal develops them. They can occur at any age but are more common as people get older. Among younger people, they are most common in women who are pregnant or have had a child.
Although they can be embarrassing to talk about, anyone can get hemorrhoids, even healthy young people in good shape.
They can be painful and annoying but aren't usually serious. Hemorrhoids differ depending on their location and the amount of pain, discomfort, or aggravation they cause.
Hemorrhoids, also called "piles" are swollen tissues that contain veins and that are located in the wall of the rectum and anus. They may cause minor bleeding or develop small blood clots. Hemorrhoids occur when the tissues enlarge, weaken, and come free of their supporting structure. This results in a sac-like bulge that extends into the anal area.
Internal hemorrhoids are located up inside the rectum. They rarely cause any pain, as this tissue doesn't have any sensory nerves. These hemorrhoids are graded for severity according to how far and how often they protrude into the anal passage or protrude out of the anus (prolapsed):
Grade I is small without protrusion. Painless, minor bleeding occurs from time to time after a bowel movement.
A grade II hemorrhoid may protrude during a bowel movement but returns spontaneously to its place afterwards.
In grade III, the hemorrhoid must be replaced manually.
A grade IV hemorrhoid has prolapsed - it protrudes constantly and will fall out again if pushed back into the rectum. There may or may not be bleeding. Prolapsed hemorrhoids can be painful if they are strangled by the anus or if a clot develops.
A small, painless emission of very bright red blood just after a bowel movement is a sign of an internal hemorrhoid; the blood will not be mixed in with the stool. In small amounts, it's not a serious issue. If bleeding continues, visit your doctor, as a constant loss of blood may lead to anemia (lack of oxygen reaching the tissues due to blood and/or iron shortage).
External hemorrhoids develop under the skin just inside the opening of the anus. The hemorrhoids may swell and the area around it may become firm and sore, turning blue or purple in color when they get thrombosed. A thrombosed hemorrhoid is one that has formed a clot inside. This clot is not dangerous and will not spread through the body, but does cause pain and should be drained. External hemorrhoids may itch and can be very painful, especially during a bowel movement. They can also prolapse.
External hemorrhoids most often itch, burn, or bleed, and can be painful, inflamed, and swollen. They're the most common cause of bleeding during bowel movements.
Hemorrhoids are caused by repeated or constant pressure on the rectal or anal veins. The most common cause of pressure usually results from sitting or straining during a bowel movement. Other factors that increase the risk for getting hemorrhoids include constipation, lifting heavy objects, poor posture, prolonged sitting, eating a diet low in fiber, and being overweight. Liver damage and some food allergies can also add stress to the rectal veins.
Watch for pain that lasts longer than a week, blood loss along with weakness or dizziness, or infection - these are all situations that should be brought to your doctor's attention. Your doctor should also be consulted about bleeding not brought on by a bowel movement, blood that's dark in color, or bleeding that is recurrent. This can signal more serious problems higher in the colon, unrelated to hemorrhoids.
Tags: blood constriction, bloody stool, external, internal, itching, piles, prolapse, protrude, thrombose
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