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Swelling on one leg from the knee to the foot. Only on the right leg.

What could cause swelling of one side only? The right leg/foot is twice the size of the left. Swelling first began three days ago. There isn't any redness, warmth, or pain.
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351246 tn?1379685732
Hi
Welcome to the forum! Unilateral (one sided) leg swelling could be due to trauma to ankle joint, ligament or muscle sprain. However all these will cause pain too. Venous pooling as in deep vein clots, thrombophlebitis, and DVT (deep vein thrombosis) is another possibility. Pelvic tumors and bone tumors too can cause one side swelling. Infections like filariasis and cellulitis are other possibilities.
Hope this helps. It is difficult to comment beyond this at this stage. Consult your PCP to start with. A comprehensive investigation is required keeping all the points in mind. Please let me know if there is any thing else and do keep me posted. Take care!



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