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Causes

One-Way Valves Become Weakened or Damaged

Veins have one-way valves to channel blood back to your heart. Varicose veins develop when the valves of your veins become weakened or damaged.

Causes of Weakness or Damage

  • High blood pressure inside the superficial leg veins
  • Standing for long periods of time
  • Weakness in the walls of the veins

Blood Pooling Becomes Visible Below Skin

When the valves become weakened or damaged, blood pools in the veins, enlarging them and often making the veins just below the skin visible.

Hereditary Condition

There is also a strong genetic component.

Contact Information

Cardiovascular Medicine
Division of the CardioVascular Institute
Beth Israel Deaconess Medical Center
330 Brookline Avenue
Boston, MA 02215
617-667-8800

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