What Are Thrombosed Haemorrhoids: A Complete Guide Haemorrhoids, Commonly known as piles, are inflamed veins in the anal-rectal area. When a blood clot forms inside one, it leads to a thrombosed haemorrhoid—a painful condition that hampers your routine. Below, explore the signs, causes, and treatment options for this painful condition. https://www.zupyak.com/p/4593967/t/what-are-thrombosed-haemorrhoids-or-piles