Rectal Pain, bleeding, itching, or discomfort during bowel movements can have several underlying causes. How do you distinguish between piles, fissures, and fistulas? Piles refer to swollen anorectal blood vessels, fissures are lining tears caused by strain, while fistulas are infected tracts between the anal channel and external skin. Although https://www.diigo.com/item/note/bvkuw/t34e?k=89a9b26eeb6a13b3f56355ece3676d49