<unk> , also known as<unk> s, are a medical condition in which superficial<unk>  become enlarged and twisted. These<unk>  typically develop in the legs, just under the skin.<unk>  usually cause few symptoms. However, some individuals may experience fatigue or pain in the area. Complications can include bleeding or superficial thrombophlebitis. Varices in the scrotum are known as a<unk> le, while those around the anus are known as hemorrhoids. Due to the various physical, social, and psychological effects of<unk> , they can negatively affect one's quality of life.<unk>  have no specific cause. Risk factors include obesity, lack of exercise, leg trauma, and family history of the condition. They also develop more commonly during pregnancy. Occasionally they result from chronic venous insufficiency. Underlying causes include weak or damaged valves in the<unk> . They are typically diagnosed by examination, including observation by ultrasound. By contrast, spider<unk>  affect the capillaries and are smaller. Treatment may involve lifestyle changes or medical procedures with the goal of improving symptoms and appearance. Lifestyle changes may include wearing compression stockings, exercising, elevating the legs, and weight loss. Possible medical procedures include sclerotherapy, laser surgery, and<unk> stripping. Reoccurrence is not uncommon following treatment.<unk>  are very common, affecting about 30% of people at some time in their lives. They become more common with age. Women develop<unk>  about twice as often as men.<unk>  have been described throughout history and have been treated with surgery since at least A.D. 400.
Varicose veins
Peripheral artery disease
Veinoplus
Peripheral neuropathy
Pseudothrombophlebitis
Pump thrombosis
Superficial vein thrombosis
Purpura