Deep Vein Thrombosis Causes

In general, the blood is meant to flow at all times through the veins. Stagnation of blood can cause clot formation. Small clots are constantly being formed and broken down by the own body’s fibrinolytic lysis system. Factors that alter this delicate balance can cause formation and propagation of DVT.


  • Immobility

  • Staying in a sitting position for a prolonged period of time such as travel in an airplane, car, or a train or sitting in a chair for a prolonged period of time

  • Surgery, not being ambulatory during or after a surgical procedure

  • Pregnancy or postpartum

  • Obesity

What are the common causes and early signs of DVT?
Trauma is a common cause of DVT and varicose veins.


  • Fractures of the Legs

  • Knee Injury

  • Hip Injury

  • Any Type of Trauma or Surgery


  • Hypercoagulability

  • Protein C or S deficiency

  • Prothrombin G20210A

  • Polycythemia

  • Factor V Leiden

  • Antithrombin deficiencies

  • Dysfibrinogenemia

Learn about the causes of deep vein thrombosis.


  • Cancer in any form has been known to increase the chance of formation of a clot


  • Birth Control Pills

  • Smoking

  • Hormonal Replacement Therapy

  • Central Venous Catheters

  • Inflammatory and Autoimmune Diseases

  • Infections

Learn about other causes of DVT from expert, Dr. Farshad Malekmehr.

Schedule a FREE DVT Consultation with Dr. Farshad Malekmehr

Learn about complications of DVT from vein doctor in Los Angeles, Sherman Oaks, Santa Clarita Consult with a vein expert today about early signs of blood clot in leg.