Click to expand Tap to zoom Hemorrhoid by GIANTmicrobes Save $-14.99 $14.99 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Hemorrhoids are a pain in the rear for millions of adults. A hemorrhoid is a clump of swollen veins in the lower rectum and anus. The walls of these blood vessels can stretch so thin that the veins bulge and get irritated.