Understanding Thrombosed Piles: In-Depth Overview Piles, Also known as piles, are enlarged veins in the anal-rectal area. When a blood clot forms inside one, it causes a thrombosed haemorrhoid—a painful condition affecting daily life. Below, explore the symptoms, causes, and treatment options for thrombosed haemorrhoids. ### What Exactly Are Thrombosed http://That subreddit doesn't exist