Updated on: November 28, 2018
One of the tools available to vein specialists for treating both spider veins and larger varicose veins is the laser, which uses an intensely focused beam of light to heat up and get rid of problematic veins. For various reasons, some people aren't able to undergo sclerotherapy (an injection treatment) for spider veins or varicose veins. If this is the case for you, laser therapy may be the best option for treating your vein problems.
Advantages of laser therapy for varicose veins
Traditional sclerotherapy involves injecting a chemical sclerosant (irritant) into the problematic veins in order to cause them to harden, close up, and eventually disappear. But if you're pregnant or if you are allergic to the chemicals used and can't undergo sclerotherapy, laser therapy is an alternative that's available to you. For larger veins, laser therapy offers an alternative to traditional surgery. Compared to surgical procedures, laser treatment is generally considered to be less invasive.
How laser therapy for varicose veins works
Laser treatment for spider veins
In the treatment of spider veins, the laser is outside the body and directed at the skin. The light from the laser heats the blood vessel, eventually destroying it. Depending on how deep under the skin the spider veins are, different types of lasers can be used that produce light at different wavelengths. Those wavelengths penetrate the skin at different depths so that basically only the veins are heated. During the procedure, the skin is kept cool to avoid pain and to keep from getting a mild burn similar to a sunburn. Sometimes a topical anesthetic is given as well.
The procedure is done in a doctor's office or clinic and can usually be completed in less than 10 to 20 minutes. It usually takes two to four treatments several weeks apart to be fully effective. The skin above the veins can often look reddish for a couple of days. You probably won't see the final results for several months.
Intense pulsed light (IPL) treatment for spider veins
IPL treatment is similar to laser treatment, but it's not as focused, so it offers an advantage: It can cover an area of up to almost half an inch per pulse. The light isn't as precise as with a laser — it's not at a particular wavelength for optimal penetration of the skin, for example. As with laser treatment, you'll probably need a few treatments to get the job done.
Risks of laser therapy
Laser and IPL therapy may not be suitable for tanned or darker-skinned people, because the increased amount of melanin (pigmentation) in their skin can absorb the light and cause permanent discoloration. In patients who do experience some discoloration, though, it usually clears up within four to six months after treatment.
In the hands of an inexpert user, IPL treatment in particular can cause patchy darkening of the skin. In rare cases, the skin treated with a laser can get very thin and lead to ulceration.
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