Allergic reaction. An allergic response to the solution utilized for treatment is possible but unheard of. A surgery called vein ligation or vein stripping requires tying off and removing varicose veins. This treatment may be utilized when less invasive techniques Will not work. Sclerotherapy treats veins which have been twisted https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-a-comprehensive-guide/