Swelling occurs when a part of the body increases in size, typically as a result of injury, inflammation, or fluid retention. The medical term for swelling is edema. Swelling can occur in the skin, joints, and other tissues and organs of the body. There are several reasons a person may experience swelling in different parts of their body, with some being more serious than others. Swelling is sometimes associated with inflammation from an injury. For more details please contact us! 9811459842.