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How does sclerotherapy work?
The sclerosant solution agitates the lining of the vessel, causing it to swell and stick together causing the other surround veins to fade from view. Some vessels will pressurize the other veins under treatment. Depending on the size, the blood vessel maybe injected more than once as several vessels may be injected in one treatment session. The solution varies according to the size of the vessels involved. Larger varicose veins often underlie spider veins. In such cases it is thought that it is best to treat these vessels first.
Transillumination Guided Sclerotherapy (T.G.S)
Spider veins are fed by blood leaking from an underlying feeder reticular vein. Like the root of a weed, this feeder vein is not visible to the naked eye but is the lifeline of the spider veins (weed).
In Transillumination Guided Sclerotherapy, a fiber optic light is placed on the skin, allowing us to see the feeder vein. With the feeder illuminated, the sclerosing solution is injected directly and accurately. Oftentimes the spider veins disappear and their direct injection avoided.
The best candidates for sclerotherapy
Age is not problematic for undergoing Sclerotherapy. Pregnant and breast-feeding women are advised to postpone the procedure. Most spider veins caused by pregnancy will disappear on their own after delivery. Nursing mothers are mostly not to undergo Sclerotherapy because the effects of sclerosing solutions in the blood, milk, and the woman’s system might reach the new-born.
What to expect from sclerotherapy?
Sclerotherapy will make the protruding veins disappear. In several sessions, the optimal results are reached. Should also be known that the procedure treats only those veins that are currently visible; it does nothing to permanently alter the venous system or prevent new veins from surfacing in the future.
Planning a sclerotherapy treatment
The initial consultation will be about examining the legs, where the doctor may draw as simple sketch to map out the affected areas and the zones that require work. An examination to check possible serious problems causing swelling, sores or skin changes at the ankles. Ultrasound scanning will detect blood backflow in the venous system.
Where will the sclerotherapy treatment be performed?
Sclerotherapy of spider veins is a relatively simple procedure that requires no anesthesia, so it will be performed in an outpatient setting, most likely your doctor's office.
Sclerotherapy treatment is used for the following conditions:
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Treatments 
