While usually not harmful, varicose veins may cause pain and lead to problems like skin ulcers and blood clots. Ultrasound Guided Foam Sclerotherapy: In this article, in place of getting rid of the varicose veins, a powerful chemical foam is injected in the varicose veins to test and shut it. https://www.sgvascularctr.com/service/vein-diseases-varicose-veins/