Varicose veins are caused by increased blood pressure inside the superficial leg veins. Two main types of veins are present in the legs. Superficial veins are near the surface of the skin, whereas ...

Pulmonary embolism is often life-threatening. DVT can also lead to long-lasting problems. It may damage the vein and cause the leg to ache, swell, and change color. Clots can also form in superficial ...