What Causes Piles? Hemorrhoids, also known as swollen veins in the anal area, can be painful, itchy, and sometimes bleed. What exactly causes piles? Dr. Sunny Agarwal, a renowned piles doctor in Chembur, understanding the causes of piles is essential for lasting recovery and control. Main Causes of Hemorrhoids 1. https://www.behance.net/gallery/223473803/What-Causes-Piles