Swollen legs are often dismissed as a temporary discomfort caused by standing for too long or fatigue after a busy day. But in some cases, leg swelling can be a warning signal from your body that something is going on internally.
From circulation problems to conditions of the heart, kidneys, or blood vessels: persistent swelling in the legs should never be ignored, especially if it appears suddenly, becomes painful, or worsens over time.
Why do the legs swell up?
Leg swelling, medically known as edema, occurs when excess fluid becomes trapped in the body’s tissues. It can affect the feet, ankles, calves, or entire legs and can occur in one or both legs.
Sometimes the cause is harmless and temporary. Other times, it may indicate an underlying health problem that requires medical attention.
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1. Poor blood circulation
One of the most common causes of swollen legs is poor circulation. When blood cannot flow back to the heart properly, fluid can accumulate in the lower legs and ankles.
This often occurs after prolonged sitting or standing and can worsen with age.
Common symptoms include:
