What Are Some Possible Causes of Pain and Swelling in Your Left Leg?

By Staff WriterLast Updated Mar 26, 2020 8:16:54 PM ET
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Fluid buildup or inflammation may cause pain and swelling in the left leg, explains Mayo Clinic. Fluid buildup in the leg is called peripheral edema and it has various potential causes, including conditions of the lymphatic and circulatory systems. Inflammation may result from rheumatoid arthritis, among other causes.

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