Understanding Piles: Causes and Triggers Piles, also referred to as swollen veins in the rectal area, can be painful, itchy, and sometimes bleed. What exactly causes piles? As explained by Dr. Sunny Agarwal, a renowned piles doctor in Chembur, understanding the causes of piles is essential for prevention and treatment. https://share.evernote.com/note/d61b3ac0-86d0-2fd3-a009-6f1403b73fb4