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Hemorrhoids are an unpleasant condition caused by swelling and inflammation of the veins located in the anus and rectum area. When an enlarged vein becomes irritated, inflamed and clogged, a hemorrhoid is formed.

This is a very common condition and according to some researches, almost 50% of all Americans have developed this condition at least once in their lifetime. More then the half a million Americans per year are seeking medical help because of the hemorrhoids.
It is estimated that 10 million people in North America have hemorrhoids. Most patients with symptomatic hemorrhoids are between the ages of 45 and 65.
There are several possible treatment options. In many cases, especially more serious ones when all other methods failed, operation called hemorrhoidectomy is the only plausible solution.

Causes of hemorrhoids

There were many researches about possible causes of hemorrhoids and some of them showed that this is a poly-etiological disease. There are several possible causes, which can provoke this condition. They include:
1.    genetic predisposition
2.    straining during bowel movements
3.    too much pressure on the rectal veins due to poor posture
4.    Constipation
5.    chronic diarrhea
6.    poor bathroom habits
7.    pregnancy,
8.    postponing bowel movements,
9.    Low-fiber diet
10. Obesity
11. A sedentary lifestyle.

Symptoms and types of hemorrhoids

There are two main types of hemorrhoids and they both have some characteristic symptoms:

   1. External hemorrhoids are those that occur outside of the anal verge. Most common symptom is pain, which can be accompanied by swelling and irritation. Nevertheless the itching is often considered to be the main symptom and sign of external hemorrhoids. The fact is that it is more common due to skin irritation.
      When the blood vessel perforates, a fresh red blood will be found in the stool.
   2. Internal hemorrhoids are those that occur inside the rectum. Interesting thing about this type of hemorrhoids is that, because this area has no pain receptors, they are usually not painful and most people are not aware that they have them. They also may cause bleeding when irritated or perforated.

There are also two special forms of hemorrhoids that don’t belong either to the internal or external type. First of them are Prolapsed hemorrhoids.
The fact is that these simple internal hemorrhoids can become so distended that they get pushed outside of the anus.
Strangulated hemorrhoids are also a special type of hemorrhoids, which occur when anal sphincter spasms and traps a prolapsed hemorrhoid outside of the anal opening. This of course is causing the cut off in the blood supply.

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