What is sclerotherapy?


Sclerotherapy is a treatment for spider veins and small varicose veins in your legs. It involves injecting small doses of a chemical into your veins. The chemical irritates the lining of your veins, which causes them to shrink and eventually disappear. Your body redirects blood flow to other veins in your legs.

Sclerotherapy has some risks and potential complications. is only one method used to treat varicose veins. Discuss all of your treatment options with your doctor to understand which options are right for you. 

Medical Reviewers: Daphne E. Hemmings, MD, MPH Last Review Date: Nov 28, 2012

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Medical References

Sclerotherapy of Varicose Veins and Spider Veins. Accessed October 4, 2012.
Spider and varicose vein treatment information. American Society for Dermatologic Surgery. Accessed October 4, 2012.
Spider Vein Treatment (Sclerotherapy). The American Society for Aesthetic Plastic Surgery. Accessed October 4, 2012.
Spider Vein Treatment. American Society of Plastic Surgeons. Accessed October 4, 2012.
Treatment Options. The American College of Phlebology. Accessed October 4, 2012.
Varicose Vein Treatment [Transcript]. Johns Hopkins Medicine. Accessed October 4, 2012.
Varicose veins and spider veins fact sheet. Accessed October 4, 2012.
What Are Varicose Veins? National Heart Lung and Blood Institute. Accessed October 4, 2012.

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