Varicose veins occur when blood pools in the lower leg because vascular valves don’t work sufficiently to promote blood flow back to the heart.
The Society for Vascular Surgery says varicose veins:
- May bulge.
- Could be painful or cause a burning sensation, or a feeling of heaviness or tiredness in the legs.
- May itch.
- Could change color, and feel hard or hot.
- May cause no symptoms.
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