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Hemorrhoids are swollen, inflamed veins around the anus or lower rectum. They are either inside the anus or under the skin around the anus. They often result from straining to have a bowel movement. Other factors include pregnancy, aging and chronic constipation or diarrhea.

Hemorrhoids are very common in both men and women. About half of all people have hemorrhoids by age 50. The most common symptom of hemorrhoids inside the anus is bright red blood covering the stool, on toilet paper or in the toilet bowl. Symptoms usually go away within a few days.

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Illustration of inflamed hemorrhoids
Results 1 - 10 of 154 for hemorrhoids
  1. Hemorrhoids (National Library of Medicine)  
    Hemorrhoids are swollen, inflamed veins around the anus or lower rectum. They are either inside the anus ... include pregnancy, aging and chronic constipation or diarrhea. Hemorrhoids are very common in both men and women. ...
  2. Hemorrhoid Surgery Interactive Tutorial (Patient Education Institute)  
    Hemorrhoid Surgery Introduction Swollen hemorrhoids are a common condition that affects millions of people. Your doctor may recommend a hemorrhoid operation. The decision whether or ...
  3. Hemorrhoids From the National Institutes of Health (National Institute of Diabetes and Digestive and Kidney Diseases)  
    ... A-Z List of Topics and Titles : Hemorrhoids Hemorrhoids On this page: What are hemorrhoids? What are ... through Research For More Information Acknowledgments What are hemorrhoids? Hemorrhoids are swollen and inflamed veins around the ...
  4. Hemorrhoids (March of Dimes Birth Defects Foundation)  
    ... this page It's been added to your dashboard . Hemorrhoids Many pregnant women get hemorrhoids (also called "piles") while pregnant, especially during the ...
  5. Hemorrhoids (American Society of Colon and Rectal Surgeons)  
    What are hemorrhoids? It is important to note that all people have hemorrhoidal tissue as part of their normal anatomy. Only ... in evaluating the anal and rectal area. Internal Hemorrhoids Painless rectal bleeding or prolapse of anal tissue ...
  6. Hemorrhoids From the National Institutes of Health (National Institute of Diabetes and Digestive and Kidney Diseases)  
    ... Human Services NATIONAL INSTITUTES OF HEALTH What are hemorrhoids? Hemorrhoids are swollen and inflamed veins around the ... External hemorrhoid Hemorrhoids What are the symptoms of hemorrhoids? The most common symptom of internal hemorrhoids is ...
  7. ... empties stool from the body through the anus. Hemorrhoids are "cushions" of tissue filled with blood vessels ... Such swelling can cause pain, bleeding, and itching. Hemorrhoid removal may be recommended when non-surgical treatment ( ...
  8. Hemorrhoids (American Academy of Family Physicians)  
    MENU Return to Web version Hemorrhoids Overview What are hemorrhoids? Hemorrhoids are swollen veins in your rectum or anus. The type of hemorrhoid you have depends on ...
  9. Hemorrhoids are painful, swollen veins in the lower portion of the rectum or anus. ... Hemorrhoids are very common, especially during pregnancy and after childbirth. They result from increased pressure in the ...
  10. Hemorrhoid surgery is the removal of swollen veins around the anus. See also: Hemorrhoids ... Hemorrhoid surgery is often done in an outpatient clinic or your doctor's office, with little or no ...
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