Hot, Swollen Feet: Causes, Symptoms & Relief
Hot, swollen feet (pedal edema with warmth) have diverse causes—some benign, some urgent.
Common Causes
- Dependent edema: Prolonged standing/sitting, heat, venous insufficiency — bilateral, improves with elevation.
- Pregnancy: Physiological volume increase + venous compression — usually bilateral, 3rd trimester.
- Medications: CCBs (amlodipine), NSAIDs, gabapentin, steroids, estrogens.
- Systemic disease: Heart failure (bilateral, +orthopnea, JVD), kidney disease (nephrotic), liver disease (cirrhosis + low albumin), hypothyroidism (myxedema).
- Lymphedema: Unilateral often; post-surgery, radiation, filariasis.
- Infection/cellulitis: Unilateral, erythema, warmth, pain, fever — urgent.
- DVT: Unilateral, calf tenderness, +D-dimer/ultrasound — emergency.
- Gout/arthritis: Joint-specific, painful, inflammatory.
When to Seek Care
- Sudden unilateral swelling + pain/redness/warmth (DVT, cellulitis).
- Bilateral + shortness of breath, orthopnea (heart failure).
- Swelling not improving with elevation/compression.
- Associated systemic symptoms.
Self-Care for Benign Edema
- Elevate legs > heart level 30 min, 3–4x/day.
- Compression stockings (20–30 mmHg).
- Reduce sodium, increase movement.
- Cool foot soaks (avoid if neuropathy).
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