Sclerotherapy is usually performed in a healthcare Qualified's Place of work. It usually takes one hour or less to try and do. كلية مايو كلينك للدراسات العليا في العلوم الطبية الحيوية   There's a challenge with facts submitted for this request. Assessment/update the knowledge highlighted under and resubmit the form. https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/