The Root Causes of Hemorrhoids Explained Piles, also referred to as swollen veins in the anus area, cause discomfort, irritation, and occasional bleeding. What exactly causes piles? As explained by Dr. Sunny Agarwal, a top piles specialist in Chembur, understanding the causes of piles is essential for prevention and treatment. https://www.behance.net/gallery/223473803/What-Causes-Piles