Spider veins are superficial veins that congregate just below the surface of the skin.  These veins cause a series of blue or purple discolorations. The name spider vein comes from the shape of the discolorations, which look like tiny spider legs. These types of veins are not harmful but they are unsightly and can make you feel uncomfortable. People that have a lot of spider veins may be hesitant to wear shorts or a bathing suit.

Spider veins are commonly found on the thighs, the ankles and on the calves. Unfortunately, spider veins are more common in women than in men. The cause of spider veins may be obesity, pregnancy or it may be hereditary.

Spider veins can be treated. The most common treatment to get rid of spider veins is sclerotherapy. A sclerosing agent is injected into the tiny spider veins to make them dissolve. But many people want to know what is a sclerosing agent for spider veins?

A sclerosing agent used to treat spider veins may be Polidocanol or a Hypertonic solution which is nothing more than concentrated salt water. The Polidocanol is the most widely used sclerosing agent, but it has not been approved by the FDA. It has virtually no side effects. Polidocanol does not cause staining and it does not leave scar tissue or cause much discomfort. The risk of side effects from Polidocanol is rare.

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