High portal vein stress. The risk of bleeding boosts as the strain from the portal vein increases. Deep vein thrombosis raises the chance of the blood clot during the lungs, known as a pulmonary embolism. It is an extremely rare complication of sclerotherapy that needs instant health-related care. DVT symptoms https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/