What Are Thrombosed Piles: A Complete Guide Haemorrhoids, also known as swollen rectal veins, are inflamed veins in the anal area. When a blood clot forms inside one, it causes a thrombosed haemorrhoid—a disruptive condition requiring attention. Below, explore the symptoms, triggers, and treatment options for this painful condition. ### https://www.behance.net/gallery/227658877/What-Are-Thrombosed-Haemorrhoids-or-Piles