Sclerotherapy is a minimally invasive procedure to treat uncomplicated spider veins. The treatment involves the injection of a solution, called Asclera®, into the affected veins. Asclera® is a sclerosing agent that is injected into the vein. It works by damaging the endothelium, the cells lining the inside of blood vessels. This causes blood platelets and cellular debris to attach to the lining of the vessels; eventually, cellular debris and platelets cause the blood vessel to clot. Over time, the clotted vein will be replaced with tissue.

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