A very thin needle is used to inject a sclerosing agent along the varicose vein. Modern medicines used to inject spider veins (sclerosing agents) include polidocanol (Asclera), sodium tetradecyl sulfate (sotradecol) and glycerin. Discuss with your doctor the best type of solution for your veins.
Removing varicose and spider veins has never been easier. Click here to view a 3D animation that explains how sclerotherapy can make your veins disappear—without surgery.