Sclerotherapy as a means of vein treatment has been around for a while – both for spider veins and smaller varicose veins.
If you have a phobia about needles be prepared – sclerotherapy involves the injection of a liquid agent into the spider vein using a microscopic needle.
The liquid agent is usually something like saline solution or an anesthetic or surfactant like sodium tetradecyl.
Many vein clinics nowadays also offer foam sclerotherapy where the agent is mixed with foam producing better overall results with less brown staining.
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