Blood clots. Occasionally, veins deep in the legs get larger. They could result in leg agony and swelling. Seek out medical support for ongoing leg pain or swelling. This will mean a blood clot. Laser treatment. Laser treatment sends strong bursts of light on to the varicose vein. This will https://www.sgvascularctr.com/what-surgery-is-available-for-varicose-veins/