1. What is a hemorrhoid?

Hemorrhoids are swollen veins that occur either inside or outside the anus. They can be caused by constipation, family inheritance, prolonged sitting, pregnancy, straining during exercise or other factors magyargenerikus.com. Once the veins are dilated, they often continue to increase in size because they are traumatized each day when a person defecates. This trauma can result in bleeding after defecation.