What Are Thrombosed Haemorrhoids: A Complete Guide Haemorrhoids, Commonly known as piles, are inflamed veins in the rectal area. If a clot develops in a haemorrhoid, it causes a thrombosed haemorrhoid—a painful condition that hampers your routine. Below, explore the symptoms, causes, and treatment options for thrombosed haemorrhoids. ### Definition https://penzu.com/p/a234dc1147b87e61