Varicose veins occur when weakened vein valves allow blood to pool in the legs instead of flowing efficiently upward.
This condition may cause:
- Swollen ankles
- Aching or burning sensations
- Bulging blue or purple veins
- Heaviness in the legs
Long periods of standing can make symptoms worse.
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4. Heart Problems
Swelling in both legs can sometimes indicate that the heart is not pumping blood effectively. When circulation slows down, fluid may build up in the lower body.