What causes swelling of the lower?

Lower extremity : Swelling may result from different things such as problems with the veins or lymphatic system, systemic conditions like high blood pressure or heart failure, and trauma like sprains and fractures. A visit to your primary care physician or podiatrist may help to uncover the cause. If the swelling is sudden and in only one extremity, a you should see your doctor immediately to rule out a blood clot.

Many possibilities: Some causes of swelling of the lower extremities can include systemic problems such as hypertension, gout, and problems with the kidneys and localized issues such as arthritis, infection, lymphatic obstruction, blood clots, varicose veins, trauma (fracture, sprain, and tendonitis) and side effects to medication. Have it evaluated by a professional and get the appropriate treatment.