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Swelling (Edema)
Fluid buildup causing puffiness, usually in legs, ankles, or feet.
Red Flags
If you experience these, seek immediate medical attention.
- •Sudden swelling in one leg with pain (DVT)
- •Swelling with shortness of breath (heart failure)
- •Swelling in face or around eyes upon waking
- •Skin that is red, warm, or tender (infection)
- •Swelling after injury with inability to move limb
Overview
Edema is swelling caused by excess fluid trapped in body tissues. It can result from standing too long, but can also indicate heart, kidney, or liver problems.
Possible Causes
Deep Vein Thrombosis (DVT)
Blood clot in deep leg vein; one leg swelling with pain.
Heart Failure
Heart cannot pump efficiently, fluid backs up in legs.
Venous Insufficiency
Veins have trouble returning blood from legs.
Kidney Disease
Kidneys cannot filter fluid properly.
Home Care
- Elevate legs above heart level when resting.
- Reduce salt intake.
- Compression stockings if recommended.
- Regular walking to promote circulation.
- Avoid standing or sitting for extended periods.
Research cited
Sources for this page are being compiled. Each research summary on Body Signals is backed by peer-reviewed literature — source links will be added as part of our ongoing editorial review.
Sidebar
When to see a doctor
- •Sudden swelling in one leg.
- •Swelling with chest pain or difficulty breathing.
- •Swelling does not improve with elevation.
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Medical Disclaimer
This is a research summary, not medical advice. Body Signals is an independent research digest — it summarises published research for informational purposes and is not a healthcare provider. Consult a qualified healthcare provider before making changes to diet, exercise, supplements, or medication — especially if you have existing conditions or take prescription drugs.