Laser Treatment for Spider Veins on the Legs

Laser can reduce the appearance of small spider veins on the legs, usually over two or more sessions. It is a cosmetic treatment for small surface vessels, not a treatment for varicose veins or the circulation problems that sometimes cause them. If you have bulging veins, leg swelling, aching or skin changes, those should be assessed medically before any cosmetic treatment is considered.

Spider veins versus varicose veins

These terms are often used interchangeably, but they describe different things.

Spider veins (telangiectasias and small reticular veins) are thin red, purple or blue vessels close to the skin surface. They are usually flat, often form web-like or branching patterns, and are most common on the thighs, behind the knees and around the ankles. They are generally harmless, though some people notice mild itching or aching.

Varicose veins are larger, often rope-like veins that bulge above the skin. They develop when valves inside the leg veins weaken, letting blood pool instead of flowing efficiently back to the heart. This is called venous insufficiency, and it is a medical condition rather than a purely cosmetic one.

Spider veins can appear on their own, but they can also be a visible sign of underlying venous insufficiency. Treating the surface vessels without addressing a deeper problem often means they come back quickly.

When to rule out venous disease first

Please see your family doctor before considering cosmetic vein treatment if you have any of the following:

• Bulging, twisted or rope-like veins
• Leg swelling, especially by the end of the day
• Aching, heaviness, throbbing or cramping in the legs
• Darkening, thickening or a rash on the skin around the ankles
• A sore or ulcer on the lower leg that is slow to heal
• A past blood clot in the leg, or a strong family history of clots

Your doctor may arrange a venous ultrasound or a referral to a vascular specialist. If venous insufficiency is found, treating it first usually gives a better and longer-lasting result for any remaining surface veins.

Seek urgent medical care if one leg suddenly becomes swollen, painful, warm or red, as these can be signs of a blood clot.

How laser treats spider veins

Vascular lasers target haemoglobin, the red pigment in blood. The light energy is absorbed by blood inside the vein, heating the vessel wall until it collapses. Over the following weeks, the body gradually reabsorbs the treated vein.

Leg veins are generally deeper and larger than facial vessels, so a wavelength that penetrates well is needed. The Fotona laser uses the Nd:YAG wavelength (1064 nm) for this purpose. Cooling is used to protect the skin surface, and settings are adjusted to the size and colour of each vein and to your skin tone. You can read about using the same wavelength on facial vessels in Laser for Facial Redness and Broken Capillaries.

Laser or sclerotherapy?

Sclerotherapy, which involves injecting a solution into the vein to close it, is a long-established treatment for leg spider veins and is often considered a first-line option for many leg veins. Laser can be useful for very fine vessels, for people who prefer to avoid injections, or alongside sclerotherapy. The right choice depends on the size and type of veins, and in some cases referral for sclerotherapy is the more suitable path.

What a session is like

Each pulse feels like a hot, sharp snap on the skin. Cooling reduces the discomfort. A session typically takes 15 to 45 minutes depending on how many veins are treated. Immediately afterward, treated veins may look darker or slightly raised, and the skin may be red with small welts that usually settle within a day or two.

Sessions and results

Most people need two to four sessions, spaced about six to eight weeks apart, because leg veins take longer to clear than facial vessels. The full effect of each session can take several weeks to two months to appear. Results vary from person to person. Some veins fade completely, others lighten, and a few may not respond.

Treated veins that close are generally gone, but new spider veins can develop over time, especially with factors such as family history, pregnancy, long hours standing or sitting, and weight gain. Some people choose occasional maintenance sessions.

Compression and aftercare

Your practitioner may advise wearing graduated compression stockings for a period after treatment. Compression supports blood flow in the leg and may help treated veins close and reduce bruising. The type and length of wear will be explained to you.

Other common aftercare advice includes walking regularly, avoiding hot baths, saunas and intense exercise for a few days, and protecting treated skin from the sun to reduce the risk of brown marks. Keeping your weight stable and moving often during long periods of sitting also helps your leg veins in general.

Who should not have it, or should wait

• People who are pregnant, as new veins during pregnancy often fade afterward
• Anyone with untreated venous insufficiency or symptoms that have not been assessed
• People with a current or recent blood clot
• Those with poor circulation in the legs from arterial disease
• Anyone with a tan, sunburn or active skin infection on the legs
• People taking light-sensitising medications or who have recently taken isotretinoin

If you take a blood thinner, please mention it. Do not stop it on your own.

Risks and side effects

Redness, swelling and bruising over treated veins are common and usually fade within two weeks. Brown discolouration along a treated vein (hyperpigmentation) can occur and may take months to fade. Less common risks include blistering, burns, light patches, and, rarely, scarring or small new vessels appearing near the treated area.

Frequently asked questions

Can laser treat my varicose veins?

Not the type of laser described here. Bulging varicose veins need medical assessment and, if treatment is recommended, are usually managed by a vascular specialist using different techniques.

What time of year suits leg vein treatment?

Fall and winter are often more practical, because legs are less exposed to sun and compression stockings are easier to wear under clothing.

Will my spider veins come back?

Treated veins usually stay closed, but new ones can form over time. Managing contributing factors and occasional maintenance help.

Starting the conversation

The first question is always whether your veins are purely cosmetic or a sign of something deeper. If your doctor has ruled out venous disease, or your veins are small and you have no symptoms, HealthPark Medical Aesthetics offers medical consultations to discuss whether laser, referral for sclerotherapy or no treatment suits you, with risks and fees explained beforehand.