- THE BEST 3 CURES FOR HEMORRHOIDS? External hemorrhoids are those that occur outside the anal verge (the distal end of the anal canal). Specifically they are varicosities of the veins draining the territory of the inferior rectal arteries, which are branches of the pudendal artery. They are sometimes painful, and can be accompanied by swelling and irritation. Itching, although often thought to be a symptom of external hemorrhoids, is more commonly due to skin irritation.