Understanding Thrombosed Haemorrhoids: Everything You Should Know Haemorrhoids, also known as swollen rectal veins, are enlarged veins in the anal-rectal area. If a clot develops in a haemorrhoid, it leads to a thrombosed pile—a debilitating condition affecting daily life. Below, explore the symptoms, triggers, and treatment options for thrombosed haemorrhoids. https://seosunnyagrawal.wixsite.com/my-site-7/post/what-are-thrombosed-haemorrhoids-or-piles