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Colonoscopy Image Showing Intestinal Stricture

Endoscopic view of a narrowed section of the colon, indicating an intestinal stricture. The image shows inflamed and thickened mucosal walls, which may be associated with conditions such as Crohn’s disease, ulcerative colitis, or post-surgical scarring. The lumen appears significantly reduced, potentially causing obstruction or altered bowel movement.

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Causes and Symptoms of Hemorrhoids

What Are Hemorrhoids?

Hemorrhoids are swollen veins in the lower rectum or around the anus. They can be internal (inside the rectum) or external (under the skin around the anus). While not usually dangerous, they can cause discomfort, pain, and bleeding.


Common Causes of Hemorrhoids


  1. Straining During Bowel Movements
    • One of the most common causes. Straining puts pressure on the veins in the rectal area, causing them to swell.
  2. Chronic Constipation or Diarrhea
    • Both can irritate the anal region and lead to hemorrhoid formation.
  3. Sitting for Long Periods
    • Especially on the toilet — this increases pressure on the rectal veins.
  4. Lack of Fiber in the Diet
    • Low-fiber diets lead to hard stools and constipation, which increases the risk.
  5. Pregnancy
    • The growing uterus puts pressure on the veins in the lower abdomen, making hemorrhoids more likely.
  6. Obesity
    • Extra body weight can increase pressure on the pelvic veins.
  7. Aging
    • Tissues that support the veins in your rectum and anus can weaken and stretch with age.
  8. Heavy Lifting
    • Regularly lifting heavy objects may also contribute to the development of hemorrhoids.




Common Symptoms of Hemorrhoids

  1. Rectal Bleeding
  • Bright red blood on toilet paper or in the toilet bowl.

2. Itching or Irritation

  • Especially around the anus.

3. Pain or Discomfort

  • Especially when sitting or during bowel movements.

4. Swelling or a Lump Near the Anus

  • This may be sensitive or painful (especially with external hemorrhoids).

5. Mucus Discharge

  • Sometimes occurs with internal hemorrhoids.

6. Feeling of Incomplete Evacuation

  • A sense that you haven’t fully emptied your bowels.