Moderate-size veins can be removed using an instrument that looks like a crochet hook. It permits incisions that are virtually invisible. With this method, the vein is injected with a therapeutic solution. The solution causes inflammation in the veins, which stops the flow of blood. Eventually, the veins shrink and disappear.
Lasers are the treatment of choice for small spider veins.
They can painlessly remove unsightly patchworks of veins on the upper calf and other parts of the body, leaving the treated areas looking smooth and blemish-free.