Swollen Veins : The veins in the rectum can swell and become puffy when a person has frequent pressure on them from pushing out a bm. This is constipation. The swollen veins can burn, itch, or sometimes become severely painful (from a clot building up inside). Veins in the rectum are called hemorrhoidal veins and the sick, stretched out vein is called a hemorrhoid.
Answered 10/4/2016
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