The Condition"...The danger lies in the chance that such a clot could travel to the lungs, where it can cause a potentially fatal condition called a pulmonary embolism..."
The Condition"...Varicose veins are the most visible vein problem, but not as serious as venous thrombosis - the formation of a blood clot in a vein deep within the tissues..."
The Condition"...If you must take anticoagulant drugs, regular monitoring may be required to steer clear of bleeding problems..."