What is swelling? Swelling is any abnormal enlargement of a body part. It is typically the result of inflammation or a buildup of fluid. Edema describes swelling in the tissue outside of the joint. Effusion describes swelling that is inside a joint, such as a swollen ankle or knee.
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Widespread swelling occurs over a large area of the body. This is usually a sign of serious illness. It's often due to fluid retention or an allergic reaction.
20 Oct 2022 · Swelling is the enlargement of organs, skin, or other body parts. It is caused by a buildup of fluid in the tissues. The extra fluid can ...