Sclerotherapy involves injecting a chemical solution directly into the varicose or spider vein. The solution causes the vein walls to swell, stick together and seal shut, stopping the flow of blood. As a result, the vein fades within a few weeks.
Sclerotherapy involves injecting a chemical solution directly into the varicose or spider vein. The solution causes the vein walls to swell, stick together and seal shut, stopping the flow of blood. As a result, the vein fades within a few weeks.