Deep venous thrombosis occurs if a blood clot (thrombus) develops in one or in several deep veins of the body, normally in the legs. It is mostly associated with leg swelling due to the abnormal accumulation of blood in the vessels. Other symptoms which are associated with deep venous thrombosis are a pain in the legs, rashes, redness, itching, numbness, ulcerations of the skin, and shortness of breath.
Major Causes of Deep Venous Thrombosis
Deep venous thrombosis can be caused by anything that prevents proper blood circulation by causing a clot. Some of the things that may cause blood clotting includes:
- Injuries to the veins
- Limited movement
- Certain medications
There are several factors which can increase your vulnerability to deep venous thrombosis. These include:
- Hereditary factors. If your family members have had this condition, your chances of are also higher.
- Injury and surgery
- Some forms of cancer and their treatment increase the risks of blood clot formation.
- Heart failure
- Hormone replacement therapy and oral contraceptives
- Older people are more vulnerable.
- Prolonged stay in the bed such as during long hospital admission or paralysis
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