What Are Thrombosed Haemorrhoids: Everything You Should Know Piles, commonly known as piles, are dilated veins in the anal area. When a blood clot forms inside one, it causes a thrombosed pile—a debilitating condition that hampers your routine. Below, explore the signs, triggers, and treatment options for this painful condition. https://www.tumblr.com/sunnyagrwal/785699262708203520/what-are-thrombosed-haemorrhoids-or-piles?source=share