Any condition that puts excessive pressure on the legs or abdomen can lead to varicose veins. Many patients who suffer with varicose veins seek out the assistance of physicians who specialize in vein care or peripheral vascular disease. Varicose veins and spider veins are not dangerous ( with rare exceptions). The most common pressure inducers are pregnancy, obesity, and standing for long periods. Varicose taytsy. Varicose veins are prone to developing superficial thrombophlebitis, which is a blood clot along with inflammation of a segment of vein. A doctor inserts a laser fiber or radiofrequency catheter into the damaged vein to destroy it. Hemorrhoids are a type of varicose vein. Thousands of men in the US undergo surgical treatment for testicular varicose veins or varicocele. This onetime treatment costs about $ 5, 000, but it is often covered by insurance, since in rare cases varicose veins can cause blood clots and ulcers. You may also have pain, swelling, heaviness, and achiness over or around the enlarged veins. They usually occur in the legs, but also can form in other parts of the body. Blood clots in the superficial veins are easy to detect and troublesome but are usually harmless. Varicose veins are swollen, twisted veins that you can see just under the skin. The primary symptoms of varicose veins are highly visible, misshapen veins, usually on your legs. Varicose veins are distinguished from reticular veins ( blue veins) and spider veins, which also involve valvular insufficiency, by the size and location of the veins. Large varicose veins call for more aggressive treatment: endovenous laser ablation. It is the leading cause of male infertility and about 15% of this type of varicose veins takes place at birth, generally occurring on the left side. Varicose veins can be caused be weakened valves in the veins or weakened walls of the veins, or by inflammation in the veins.