Varicose Veins Treatment Natural Healing Remedies: home treatment. Varicose veins are unattractive and annoying little blue veins that show through under the surface of your skin. Varicose veins typically show up in your legs and are also known as spider veins. Varicose veins are veins that have become enlarged and tortuous. The term commonly refers to the veins on the leg, although varicose veins can occur elsewhere. Veins have leaflet valves to prevent blood from flowing backwards (retrograde flow).