Understanding Thrombosed Haemorrhoids: In-Depth Overview Haemorrhoids, also known as swollen rectal veins, are enlarged veins in the anal-rectal area. When a blood clot forms inside one, it causes a thrombosed pile—a painful condition requiring attention. This article will guide you through the signs, causes, and treatment options for thrombosed haemorrhoids. https://www.behance.net/gallery/227658877/What-Are-Thrombosed-Haemorrhoids-or-Piles