How EVLT works
Endovenous laser treatment (EVLT) uses a thin laser fiber inserted into a refluxing vein under ultrasound guidance. Laser energy heats the vein wall, closing the diseased vein so blood reroutes through healthier pathways.
EVLT is commonly used for larger incompetent veins such as the great saphenous vein, especially when symptoms include heaviness, swelling, and persistent aching.
How sclerotherapy works
Sclerotherapy uses a medication injected directly into a target vein, causing irritation of the lining and eventual closure. The treated vein is gradually reabsorbed by the body.
It is often used for spider veins, reticular veins, and selected smaller varicose veins. It can also complement EVLT as part of a staged treatment plan.
Choosing the right option
The best treatment depends on ultrasound findings, not preference alone. Larger refluxing trunks often require EVLT first, while visible surface veins may be treated with sclerotherapy after deeper flow is corrected.
In many patients, both treatments are used strategically: EVLT for the source vein and sclerotherapy for residual cosmetic or branch veins.
Recovery and practical expectations
Both procedures are minimally invasive and typically completed in-office. Walking is encouraged after treatment, and most patients return to daily routines quickly with compression guidance.
Your physician will review activity restrictions, symptom expectations, and follow-up ultrasound timing so results and safety can be monitored.
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