What are varicose veins? Know its causes, symptoms and treatment by yashodahospital Published: March 27, 2024 (1 month ago) Category Health & Beauty Link What are varicose veins? Know its causes, symptoms and treatment Varicose veins are swollen and twisted veins that are blue or dark purple in color. These veins appear bulging in appearance. There are spider veins around these veins, which are red and purple in color and are very thin and fine in appearance.