Understanding Thrombosed Piles: A Complete Guide Haemorrhoids, commonly known as swollen rectal veins, are enlarged veins in the anal area. When a blood clot forms inside one, it leads to a thrombosed haemorrhoid—a disruptive condition that hampers your routine. Below, explore the symptoms, triggers, and treatment options for thrombosed haemorrhoids. https://justpaste.it/k2cwp