A member asked:

Sudden intense knee stiffness that i have not had before. thoughts?

A doctor has provided 1 answer

Effusion: Sudden knee stiffness without a significant injury is likely due to swelling or fluid within the knee, aka an effusion. It is important to figure out why the knee filled up with fluid. There are many reasons why it could do this. It is best to see your doctor.

Answered 12/9/2013

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