External hemorrhoids: Hemorrhoids are present in 50 % of the US population. There are internal and external, most of the time asymptomatic. The external, if thrombosed, require surgery, as diet will not dissolve the clots. But will soften the stools which is very important.One method is ligation, in which a rubber band is placed around the base of the hemorrhoid. The band cuts off blood circulation and, as a result, the hemorrhoid withers away within days. Another method is sclerotherapy - injection of a chemical solution around the blood vessel to shrink it. A third technique relies on infrared coagulation to destroy the hemorrhoid by burning. And lastly, a surgical procedure known as hemorrhoidectomy is occasionally recommended for extensive or severe hemorrhoids to completely remove them
Answered 6/2/2016
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