Blood clot. In some cases a clot can sort inside a hemorrhoid. This known as a thrombosed hemorrhoid. Though not perilous, it can be really painful and from time to time must be drained. Sclerotherapy treats veins which are twisted and enlarged, often known as varicose veins. Varicose veins are https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/