Why Do Hemorrhoids Happen? Hemorrhoids, also referred to as swollen veins in the rectal area, cause discomfort, irritation, and occasional bleeding. What exactly causes piles? According to Dr. Sunny Agarwal, one of the best piles surgeons in Chembur, understanding the causes of piles is essential for lasting recovery and control. https://seosunnyagrawal.wixsite.com/my-site-7/post/what-causes-piles-understanding-the-reasons-behind-hemorrhoids