Understanding Thrombosed Haemorrhoids: Everything You Should Know Haemorrhoids, Also known as swollen rectal veins, are inflamed veins in the anal area. If a clot develops in a haemorrhoid, it causes a thrombosed haemorrhoid—a painful condition requiring attention. Below, explore the symptoms, triggers, and treatment options for thrombosed haemorrhoids. ### Understanding https://share.evernote.com/note/6a188c4f-ce05-7d79-6cf2-29f080f1c460