Piles Treatment: It's Not as Difficult as You Think Piles, also known as hemorrhoids, are swellings that develop inside and around the anal canal. The anal canal is the last part of the large intestine, which leads to the anus (opening of the rectum). Piles are commonly caused by straining during bowel movements or sitting on the toilet for a long time. Other factors that can contribute to piles
include
pregnancy,
childbirth,
obesity,
and
diarrhea.
There are two types of piles: internal and external. Internal piles are located inside the rectum and are not