Spider veins are clusters of veins in purple, red or blue color that show up on ankles, calves and thighs. Women are mostly prone to spider veins and it is triggered by various factors including pregnancy, hormonal imbalance, weight gain, occupations that require standing for long hours and hereditary factors. While in some women the spider veins start showing up from the age of 20, in others these do not appear until the 40s. Although men too are prone to spider veins, hair growth conceals it. The conventional way to get rid of spider veins is to opt for cosmetic surgery. However, there are plenty of natural remedies such as herbs that effectively reduce the appearance of spider veins. Here is a list of the best herbal remedies for treatment of spider veins.