What is the difference between edema and effusion?

National Athletic Trainers' Association

Edema is swelling that occurs outside a joint. Effusion is swelling within a joint.

(This answer provided for NATA by the Gustavus Adolphus College Athletic Training Education Program.)

Continue Learning about Bone & Joint Conditions

Tenosynovial giant cell tumors (TGCTs) are a rare type of benign tumor that can affect a variety of different joints throughout the body. Like other t...

Why does my shoulder blade stick out farther than normal? It usually means that there is weakness of...

The neck moves in all three planes of motion. Learn more from our experts about the neck's range of ...

What can cause me to be unable to pinch my thumb and index finger together? The inability to pinch t...

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.

Features:

Condition Headquarters:

What is the difference between edema and effusion?

Continue Learning about Bone & Joint Conditions