Sclerotherapy is a minimally invasive treatment used to treat varicose and spider veins. The procedure involves the injection of a solution directly into the affected veins, causing them to shrink and eventually disappear. Newer variation on the technique is to create a foam using sclerosant solution and either CO2 gas or air, and to inject this foam. Foam sclerotherapy is more effective and uses less sclerosant solution. The difference between varicose and spider veins are size and appearance. Imagine your venous system as a tree, where varicose veins would be a major branch, and spider veins would be the leaves. You can learn more about varicose veins here.


How Does It Work?

Sclerotherapy for varicose veins We use an effective combination of ultrasound and foam to treat varicose veins (as shown in the following diagram):

  1. Varicose vein is located with ultrasound.
  2. Catheter is inserted into the vein.
  3. Foam infused causing the vein to contract.
  4. Closed vein following treatment.

While Sclerotherapy is performed to treat both spider and varicose veins, varicose vein assessments require Doctor’s Referral. 

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* Individual results may vary.

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Call us at 604-284-5501 for any questions or book online for a consultation with our doctor to discuss your needs and options. No obligation to proceed with any treatment or service – just information so you can decide later when you want some changes. We are all happy to assist you every step of the way.

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Frequently Asked Questions

What Causes Varicose Veins?

Varicose veins in the legs usually result from weak or damaged valves in the veins. Learn more about varicose veins here.

How Does Sclerotherapy Procedure Work?

The procedure uses a very fine, thin needle to inject a sterile sclerosing solution into the small veins. When the sclerosing solution is injected directly into the spider or varicose veins, it irritates the lining of vein, which causes it to swell and to stick together. Over time, the vessel turns into scar tissue that fades from view.

How Is Sclerotherapy Procedure Performed?

Sclerotherapy is a minimally invasive outpatient procedure. Using a very fine needle, the doctor will inject the vein-sclerosing solution into the varicose and spider veins. As the procedure continues, you will feel small needle sticks and possibly a mild burning sensation. The number of veins treated in one session varies, and depends on the size and location of the veins. The procedure is usually completed within 45 minutes. Immediately after your sclerotherapy session, we advise you to walk for at least 30 minutes, wearing your compression hosiery, in order to flush the blood that may be pooling in your leg veins. This will increase the chances of successful outcome of your procedure.

Is This Procedure Painful?

There is usually minimal or no discomfort at all during the treatment.

What Can I Expect After Sclerotherapy?

Your legs will be wrapped in compression bandage or stockings, and usually can be removed and return to normal activities within 24-48 hours.

Are Follow-up Visits Needed?

Your legs will be wrapped in compression bandage or stockings, and usually can be removedWe like to see you for a follow-up visit 2 weeks following sclerotherapy. At that time we examine your veins for superficial clots that may need to be drained for best cosmetic results. This visit also gives you a chance to discuss any side effects or concerns you may have following your procedure. and return to normal activities within 24-48 hours.


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