Sclerotherapy: Sclerotherapy will involve injecting a chemical Answer (known as a sclerosant) to the defective veins by using a needle or catheter to induce their closure. It is not as helpful for veins larger sized than 5mm in diameter which is predominantly employed to take care of the smaller sized https://dantepcnyi.wikififfi.com/1485131/vein_disease_singapore_for_dummies