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 Varicose veins are swollen, dark blue or purple blood vessels that you can see and feel beneath the skin. They often look like twisted cords, and usually appear on the calves, inside of the legs, and ankles. Varicose veins form when the valves within a vein weaken and allow some blood to flow backward. The vein weakens under the additional strain and balloons outward, raising the skin surface.
Most people with varicose veins seek cosmetic treatment to reduce their appearance on the legs. Treatment often takes care of minor discomfort associated with the condition such as swelling, fatigue, itching and cramps. Sometimes, however, more significant problems can develop if veins are left untreated. Bleeding infection and skin ulcers are also possible complications. For this reason, patients with varicose veins should be examined by a professional.
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 Spider veins, or telangiectasias, are small, thin, blood vessels visible beneath the skin. They appear most commonly on the face and legs and may look like a series of lines, tree branches, or a spider- or web-like shape with a dark center. It is estimated that they affect nearly half of adult women in the U.S.
Spider veins are caused by a variety of factors, including heredity, pregnancy (and other conditions that involve changes in hormone levels), weight gain, long periods of standing, and certain medications. They often appear red or blue, and because they form on the face, thighs, calves and ankles, many patients are bothered by the way they look. Others seek medical treatment for uncomfortable symptoms such as aching, burning, swelling and cramping. The standard treatments for spider veins are sclerotherapy and laser or pulsed light treatments.
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