Venous thrombosis

Venous thrombosis is a blood clot that forms within a vein, most frequently in the legs.

Overview

Venous thrombosis is a blood clot that forms within a vein, most frequently in the legs. A swollen and painful leg, sometimes with a bluish discolouration is typical. Preventive measures include sufficient exercise, avoidance of excess weight and no smoking.

Symptoms

Main symptoms

  • Sudden appearance in a leg:
    • Throbbing pain
    • Overheating
    • Redness
    • Swelling
    • Bluish discolouration
    • Feeling of heaviness

Other symptoms

Causes and treatment

Causes

  • Damage to the vein wall
    • Inflammations
    • Injuries
  • Activation of coagulation
    • Often, a genetic predisposition (e.g. Factor V Leiden)
  • Slowing of blood flow
    • Lack of exercise
    • Confinement to bed
    • Travelling by air / bus
Risk factors

Further treatment by your doctor / in hospital

Possible tests
  • Ultrasound (sonography)
  • Blood test (search for blood clots)
Possible therapies
  • Operation to remove varicose veins
  • Blood-thinning medication (anticoagulation)
  • Medication to dissolve blood clots (thrombolysis)

What can I do myself?

  • Physical activity encourages blood flow and prevents varicose veins and thromboses
  • Wear support stockings
  • Sometimes rest with the legs up
  • Kneipp therapy
  • Stop smoking

Get a personal Preventive Care Recommendation now.

When to see a doctor?

  • A leg or arm swells up suddenly, is painful and turns blue
  • Persistent feeling of tightness in a leg or arm
  • Increasing breathlessness
  • Pain when breathing

Synonyms

Venous thrombosis

Exclusion of liability

CSS offers no guarantee for the accuracy and completeness of the information. The information published is no substitute for professional advice from a doctor or pharmacist.

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