I would be tempted to go to my pcp if I were having swelling on one limb. Take a picture of it and of your other foot so you'll have a record of it to show to your doctor.
I hope you find out why that's happening.
SLE, fibro, renauds, restless leg, hiatal hernia, double vision, migraines, costocondritis.
prednisone, plaquenil, arava, neurontin, synthroid, triamterene, actonel, niaspan, tri-est, cymbalta, tricor, acifex