What Are Thrombosed Haemorrhoids: In-Depth Overview Haemorrhoids, also known as swollen rectal veins, are dilated veins in the rectal area. When a blood clot forms inside one, it leads to a thrombosed pile—a disruptive condition requiring attention. Below, explore the symptoms, triggers, and solutions for this painful condition. ### Definition https://drsunnyagrawal.blogspot.com/2025/06/what-are-thrombosed-haemorrhoids-or.html