What are thread veins?
Thread veins are very small veins that are most commonly visible on the face, legs, nose, chest and arms. In some people they expand and show through the skin, giving a red or purplish appearance. What causes thread veins? Thread veins can be caused by too much exposure to the sun over the years. They may also be inherited. Thread veins can sometimes be a sign of rosacea, a skin condition, or can result from overuse of steroid creams. Thread veins are more obvious after mid-life, when the skin becomes thinner and loses some of its collagen. What causes spider veins? No one knows the exact cause of spider veins, but there are several factors that cause a person to be more likely to develop them. Heredity, or being born with weak vein valves, is the greatest factor. Hormones also play a role. The hormonal changes that occur during puberty, pregnancy, and menopause, as well as taking estrogens, progesterone, and birth control pills can cause a woman to develop varicose veins or spider vei
