What foods or herbs have diuretic and anti-inflammatory properties for pain and swelling of joints and legs?

Why? There is not much known about most of herbal medicines because they have not been studied with the tight control regular medicines have, If you have swelling of joints and legs you need a real evaluation by a doctor and follow his advise.
Swelling legs. Depends on what is causing the pain and swelling in the legs. This can be caused by heart problems, liver or kidney problems, arthritis, circulatory problems. Best to see your doctor about an examination to find the cause and then proper diet and treatment can be given.