Hemorrhoids are swollen areas of skin and blood vessels around the anus, which usually develop around the external opening of the anus, but can be internal too. They are caused by high pressure on the anal region and due to over exerting during a bowel movement. They are highly innervated and sensitive and are also at risk for thrombosis. They develop around the external opening of the anus. Internal hemorrhoids occur above the pectinate or dentate line in the anal canal. 
The internal hemorrhoid is graded to assist with the selection of a treatment plan. The treatment is then provided according to the grade. The grade of the hemorrhoid depends on the extent of descent into the anal canal and out of the anus. Continue reading