What causes hemorrhoids?

excessive pressure: Hemorrhoids are varicose veins of the anal area. Varicose veins are stretched veins caused by higher than normal pressure. Hemorrhoids are usually caused by chronic straining with bowel movements. They are also commonly seen in pregnant women close to delivery because the uterus tends to back up flow in the veins from the anal area.

Causes: Factors that impact hemorrhoids include: straining w bowel movements, pregnancy, obesity, sitting on the toilet for a long time, aging, heredity, constipation, or over-use of laxatives/ enemas. Just being in an upright position puts pressures on the veins that form hemorrhoids. Fact that people's upright posture places a lot of pressure on the anal and rectal veins. Aging, obesity, pregnancy, >>.