All About Thrombosed Haemorrhoids: A Complete Guide Haemorrhoids, also known as swollen rectal veins, are dilated veins in the rectal area. If a clot develops in a haemorrhoid, it leads to a thrombosed haemorrhoid—a disruptive condition requiring attention. Below, explore the signs, causes, and solutions for this painful condition. ### https://share.evernote.com/note/6a188c4f-ce05-7d79-6cf2-29f080f1c460