If Your Feet Swell, What Could It Mean?
Swollen feet or ankles are called peripheral edema. It is not a clear sign of one specific disease. Sometimes it’s temporary, while persistent or sudden swelling can indicate an underlying problem.
Possible causes include:
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Standing or sitting for long periods — fluid can accumulate in the lower legs.
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High-salt intake — sodium can contribute to fluid retention.
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Venous insufficiency — leg veins may have difficulty returning blood toward the heart.
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Certain medications — including some blood-pressure medicines, steroids, and anti-inflammatory drugs.
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Heart, kidney, or liver conditions — these can cause the body to retain excess fluid.
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Pregnancy — swelling can be common, although sudden or severe swelling needs medical assessment.
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A blood clot — particularly when swelling is sudden and mainly affects one leg, especially with pain, warmth, or redness.
🚨 When it needs urgent attention
Seek emergency care if swelling occurs with shortness of breath, chest pain, coughing up blood, fainting, or severe weakness.
Also get prompt medical assessment for new one-sided swelling, particularly if the leg is painful, warm, or red.
If your feet are regularly swollen, getting progressively worse, or accompanied by breathlessness or rapid weight gain, arrange a medical evaluation rather than assuming it’s simply from standing or eating salty food.
