Varicose veins are nothing but swollen-enlarged veins that comes on the surface due to being faulty in carrying the oxygenated blood in the body. Leg veins are prone to get varicose but any vein can become varicose. Varicose veins are normal conditions and usually reflect the signs of uneasiness, heavy leg syndrome, and weakness in the legs. In some cases, varicose veins may cause complexities, such as mild to severe pain, blood clots, or skin ulcers.