Definition: Edema is the official medical term for swelling. It is classified by the surplus of fluid in the cavities or tissue of the body. While it can affect any part of the body, the hands, arms, feet, legs, and ankles are where it is most commonly noticed.
Examples: This can be the result pregnancy, medication, heart failure, cirrhosis of the liver, or kidney disease. Treatment to remove the excess fluid is done by reducing the amount of salt in your food, with medication, or treating the underlying disease.